Best STEM Subscription boxes for kids
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Best STEM Subscription Box for Kids (Ultimate Guide 2021)

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So you decided to finally stop scratching your head over the latest toy? 

A new STEM kit with carefully chosen bits and pieces delivered to your doorstep once a month sounds like a surprise your child will actually look forward to.

(It also sounds like less headache for you!)

But how to decide on the best STEM subscription box for kids (and an odd adult too)?

To help you (and myself!) out, I’ve tried, tested, put together and taken apart some of the most popular options out there. What’s even more important, my three kids (6, 9 and 12) were more than willing to act as test subjects.

They’re actually quite used to testing different things, seeing as their dad has been a scientist and educator for as long as they can remember!

So after a FULL year of playing and tinkering with some 30 different options, building and making and failing and troubleshooting, the family quorum agreed on one thing: the most appealing for everybody was Kiwi Crate

It is hands down the most versatile option that caters to ANY interest and any age. And frankly, it’s very inexpensive for what it offers, starting at just $16.95 per month.

But there’s no such thing as a box that’s good for everyone. So check out this in-depth, unbiased overview of 13 picks that are guaranteed to peel the kiddos off those screens for a while!

IMAGE PRODUCT DETAILS 
Our Top Pick
KiwiCo
  • Every theme is a surprise
  • All age groups and science disciplines
  • Reasonably priced
Top Science Box
MEL Chemistry
  • Very safe experiments
  • Countless resources to dig deeper
  • Great for family bonding
Groovy Lab in a Box - monthly STEM box
Best for Independence
Groovy Lab in a Box
  • Tiered learning, from beginner to advanced
  • Lab notebook to keep track of the progress
  • All STEMist Series are interdisciplinary
Artsy-Craftsy-Greensy
Green Kid Crafts
  • Eco-friendly
  • Lab notebook to keep track of the progress
  • All STEMist Series are interdisciplinary
STEM Discovery Boxes - Monthly STEM Science Subscription Box
Best for Whole Family
STEM Discovery Boxes
  • Includes everything you need
  • 3 fun projects per month
  • There are options for homeschooling parents too
Best GRL PWR Box
Black Girl MATHgic
  • Box that screams “Girls can STEM”
  • Boosts confidence through activities and affirmations
  • Themes include real-life scenarios
GoBox STEM subscription box
Best Robotics Box
GoBox
  • One-off robot + new sensors and missions every month
  • Learn coding in Bloxter and Python
  • Great for rookies and pros alike
Best Coding Box
BitsBox
  • No coding experience required
  • Make an app from scratch, customize and share it
  • Text-based JavaScript programming
Best for Problem Solving
Science Expeditions Box
  • Real-life problems to solve
  • Build functioning models
  • Video and printable resources
Best for Busy Little Bees
Spangler Science Club
  • Up to 10 projects per month
  • Good for science fair too
  • Great value for money
Bang for Your Buck
Club Scikidz Labs
  • Up to 25 micro activities per month
  • Innovative approach in some of the boxes
  • They offer classes too
Best for Nostalgia
Magic School Bus
  • Time-tested kits
  • Very affordable
  • Stimulates critical & independent thinking
Best for Electronics
Creation Crate
  • Build electronic circuits and learn Arduino
  • Great potential for open-ended play
  • Grows with your child

Related Post: Best STEM Toys 2021 | Our Prizes for MOST Awesome STEM Toys this Year!

So What’s the Deal With STEM Boxes?

Feel free to skip this if you’re a seasoned STEM box-er.

But for those of you who are new to these boxes, they are like a monthly surprise box that always contains a new STEM kit. What you get are hands-on science experiments and activities, the equipment needed to perform them, and instructions to help you along the way.

There are two keywords here: MONTHLY and HANDS-ON.

The first one guarantees that just as your child gets fed up with one activity, a new one will be en route to you. Not one of your child’s existing 247 toys will do that!

(After just one month, my two older kids started countdowns to delivery time, expecting and anticipating what they’d get next. The surprise moment is half the thrill!)

The second keyword means that a STEM box subscription takes the pressure off of you

As you juggle work, chores, taking the dog for a walk and spending time with your kids, it takes time and the right headspace to come up with ideas for play AND source the materials AND guide them through the projects.

A good STEM box should do all of that.

But there’s a bonus aspect that I really appreciate here. STEM boxes are gender neutral, and not just because they don’t come in blue and pink.

They are gender neutral because they posit that STEM is for girls as well as boys, and everyone is talented and smart enough for STEM.

If you’re looking for a buyer’s guide, hop on to the lower half of this article!

Best STEM Subscription Box Reviews 2021

#1 Our Top Pick – KiwiCo

Our Top Pick

KiwiCo

Healthy dose of monthly surprise for your kid. Most versatile both in terms of kids age and topics; reasonably priced.

Science works best when served in small, sneaky doses, right?

That’s exactly what KiwiCo Crates do. On the surface, your kid will receive a box under their own name, containing a bunch of colorful items to complete one, two or three projects.

What they don’t know is that they’ll be learning about mechanical engineering while building a functioning claw out of wooden parts.

You know how toddlers love dinosaurs? Imagine how much fun a 4-year-old will have making a felt dino or clay fossils! A tween or teen will also have a blast building a working mechanical clock that they can actually hang up on the wall.

Even an adult would be proud to hear the tick tock!

You might get a little bit confused when you land on their site. Just how many different Kiwi crates are there, and what’s with all the names?

We’re calling these boxes KiwiCo here because that’s the company’s name. But these crates have expanded to different age groups over the years, and given them distinctive names: Panda, Koala, Kiwi, Atlas, and so on.

So let me tell you why I chose KiwiCo to be my #1 option.

A giant part of their appeal lies in the surprise factor. Your kid will never know what to expect in their next themed craft subscription box. 

Their #1 spot on our list is also due to the fact that the projects are expandable. With every box, you’ll get a magazine that offers even more STEM project ideas (plus there are always more extras on their site).

It’s like getting multiple boxes in a single box!

Another amazing thing is that these boxes contain very little plastics. You’ll get a bunch of elements made of wood, cardboard, felt, yarn, textile, as well as non-toxic fluids for chemistry experiments. (My wife, a committed environmentalist, especially appreciated this.)

Oh, and shipping is free in the US!

Child playing with a STEM subscription box
Colorful Chemistry Kiwi Crate

And now to the downsides.

If you want to prepay for a full year, you’ll have to dish out $203.40 for the cheapest lines, all at once. (Eureka and Maker Crates are more expensive, starting at $24.95 per month, which works out to $299.40.)

You can opt to get a special book with each monthly subscription box, but they are also charged extra.

And here’s another minus.

While your kid will build functioning things that they can actually use or play with further, these things won’t last long. The materials are not heavy-duty, and you can’t expect a cardboard robot to take much of a beating!

The third and final drawback is that you can turn off your auto-renewing subscription any time so that it doesn’t renew automatically, but you can’t cancel it in the middle of a cycle. You’ll just get the rest of your crates that you prepaid for, and then your subscription will simply expire.

However, I won’t count it as a deal breaker because it’s an easy fix. If you’re an aunt, grandparent or a family friend who considers KiwiCo crates as a gift, make sure to toggle off the auto-renewal. You’ll easily turn it back on if the kid likes the crates!

Kiwi Crate Box Options (Age Groups):

  • Panda Crate (0-2 years) – Explore and Discover
  • Koala Crate (2-4 years) – Play & Learn
  • Kiwi Crate (5-8 years) – Science, Art & More
  • Atlas Crate (6-11 years) – Geography & Culture
  • Doodle Crate (9-16+ years) – Create & Craft
  • Tinker Crate (9-16+ years) – Science & Engineering
  • Maker Crate (14-104 years!) – Art & Design
  • Eureka Crate (14-104 years!) – Engineering & Design

If you’d like to give a Kiwi Crate a try, sign up using this link and enter Coupon Code LEARN30 at checkout for a 30% discount on your first month.

ProsCons
They’ve covered ALL age bracketsEven though comparatively cheap, it’s still a lot of money if you subscribe for longer periods
A perfect marriage between learning and funMaterials are not very durable
The least expensive pick
Your kid will make functioning items that they can use
Materials and supplies are (relatively) eco-friendly
Wide coverage of STEM disciplines
Expandable projects, a bunch of free tutorials and ideas

#2 Top Science Box – MEL Chemistry

Top Science Box

MEL Chemistry

Tons of safe, colorful and gooey chemistry experiments. Kids can do them independently or with your help

Safety goggles? Check. Protective gloves? Check.

Buckle up for an exciting ride with LOTS of colorful goo!

MEL offers three types of kids’ subscription boxes: Chemistry, Physics, and the more interdisciplinary MEL Kids.

But when I say MEL, I mean chemistry

(And it’s NOT a bias at work, even though yours truly holds a PhD in organic chemistry!) 

The recommended age for this discovery box is 10 to 16 and up, with more specific age brackets for each experiment. Every experiment is designed for at-home use and is very safe. After all, bigger kids are old enough that you can trust them with all of the substances and solutions, unless there’s a toddler tagging along.

Still, I’d be around if I were you. Some of the experiments include fire, so it’s safer to supervise. 

With 10 to 12-year-olds, you should also get ready for LOTS of questions. My 9-year-old, was watching her older brother do the hedgehog experiment with tin chloride and zinc, and she asked me: “Dad, will our hedgehog grow a set of legs too?”

MEL Chemistry Tin Hedgehog experiment
“See that tiny snout over there?” The MEL Chemistry hedgehog (growing bigger)

And of course, she was a bit disappointed that it didn’t grow bigger.

Unlike KiwiCo crates, MEL Chemistry boxes don’t tap into the surprise factor with the projects. But they don’t even have to! Various liquids that change colors and states, grow, fizz and hiss, are a true treat for curious eyes.

And now to the logical question. Why pay $26 or more every month when you can do kitchen science experiments with your child?

Because such experiments take time to plan and they don’t come with a carefully crafted curriculum.

A word of caution, though: get ready for a lot of mess with some of these experiments. You know how kids are with liquids!

Beside the hedgehog, popular projects include Galaxy in a bottle, rainbow-colored milk, chemical reefs, crystal growing. You can use the mobile app or website to dig deeper into key concepts, plus there are weekly science videos with their top-notch educators.

You can pause or cancel your subscription any time – there’s no lock-in contract. 

However, if you really want to keep your young chemists happy for many hours of science experimentation, you can get some great discounts by pre-paying for several months of the subscription service in advance.

This educational subscription box has only one con that I’ve noticed. They sometimes rely too heavily on you having some common household items

And no matter what everyone says, you won’t ALWAYS have a set of old batteries or even vinegar at home. Sure, some items and substances just aren’t allowed for shipping, so it’s not always their fault. Still, you should read the procedure for each experiment and make sure you have all the necessary supplies before the project starts.

It never happened to me, but some users claim they never received some of the kits. From what I’ve understood, it really was an issue until a couple of years ago, but it doesn’t happen anymore. The company has improved their delivery service, so you may now rest assured you’ll get everything you paid for.

ProsCons
Best kits for chemistry, with excellent curriculumYou don’t get everything you need for the experiments
All experiments are safe (although it’s still good to supervise)Get ready for a lot of creative mess
Carefully planned and thought out (unlike your kitchen science experiments)
There are many free tutorials and ideas online, plus there’s a mobile app
The company improves their service all the time

#3 Best for Independence – Groovy Lab in a Box

Best for Independence

Groovy Lab in a Box

It guides them to a certain point, then lets them find the solutions on their own

Just like KiwiCo and MEL Science kits, Groovy is basically a monthly box with tools, supplies and instructions kids need to learn STEM by doing and making.

What’s different, however, is that it offers tiered learning

At first, your kid will get hand holding through the main investigative STEM activity. There’s a guide to help them every step of the way.

But the next tier requires more independence (and fosters some in turn). It’s the so-called Engineering Design Challenge, which they will be able to complete ONLY if they understood all the scientific concepts!

And there’s no manual or tutorial to turn to.

Another thing I really liked about Groovy is the lab notebook, which contains 20-something pages of illustrations and instructions for the month’s activities, but also has dedicated space for journalling and recording their progress.

As a scientist myself, I know how important it is to take meticulous notes about your progress throughout a project, for at least two reasons:

  1. Notes help the brain acquire and understand new information. The only way to do it is to pin it down to paper! I’ve had countless “A-HA” moments while reading my notes, and even countless-er solutions that had stared me right in the face. But they had a paper from which to stare!
  2. Taking notes instils patience and systematic approach in a young learner. Plus, it takes time. And more time spent on task fosters more commitment and the feeling you’re personally invested in the project!

My daughter really made these lab notebooks her own and decided to keep them! I bet she’s going to have a blast one day when she finds them tucked away in the basement. 

Now, which part of STEM does Groovy target exactly?

All four and more! There are many so-called STEMist Series to choose from: robotics, coding, chemistry, electrical and mechanical engineering… But all of them will tackle at least one other field. After all, modern STEM curriculums are always interdisciplinary.

For example, an astronomy project (building a rocket that travels to the Moon) will also teach your kid some physics (Newton’s laws).

I hear you asking for downsides.

Well, this one is commonplace: don’t get your expectations too high about the materials. Cardboard items, sheets of colorful paper, disposable cups, balloons – chances are, these items won’t see much life past the completion of a project.

The second thing I don’t like is that they’ve put up a paywall around their online materials

And that’s a bit weird in this day and age.

IMHO, every company that sells educational products should offer something for free. How about some open-source culture?

Also, my eco-minded wife wasn’t thrilled about the materials (many of which are made from the cheapest plastic that makes her cringe).

ProsCons
Encourages independence more than other kitsMaterials not very durable or eco-friendly
Has a lab notebook to record their progress and resultsOnline materials are only available to subscribers
Choose from many STEMist series with different themes
Their engineering design challenges rock!

#4 Artsy-Craftsy-Greensy Pick – Green Kid Crafts

Artsy-Craftsy-Greensy Pick

Green Kid Crafts

“Greener” STEAM themes and supplies; boxes include everything you need.

When you hear that a company behind a science subscription box was founded by a climate scientist, you know that you can expect LOTS of green!

(My wife says hello.)

And indeed, this fun subscription box is different from all others in that you won’t get piles of plastics with every new delivery. Truth be told, there will be SOME of it, but not nearly as much as with some other options. They also use reusable and recyclable materials, so they don’t turn into yet another piece of waste to hit the landfill.

But it’s not just about the disposables. Green Kid Craft is also much more geared towards environmental science and activism, with a bunch of green projects such as rainforests, deserts, oceans and other habitats and ecosystems.

But that isn’t to say that there are eco projects ONLY. For example, we got a box with projects to make erupting volcanoes, crystals and gems.

They also plant a tree whenever someone places an order.

(If I were them, I’d plant one anyway, though.)

But the pros of this subscription box go beyond ecological concerns. Each box will contain ALL the supplies your kid needs for 4-8 activities.

No need to dig around the kitchen! 

Or run to the store to buy a pack of 6 batteries because the two that you need for the project have grown legs and magically disappeared.

Each box will also contain a STEM magazine, which expands every month’s theme through activities, puzzles, and outside resources. With the optional literary upgrade, kids also get an additional book per month, which is in line with that month’s theme.

The most significant downside I’ve noticed is that these boxes aren’t always very educational. Some projects will merely entertain your kid.

For example, the Detective Science box includes some fun activities such as sending secret messages or taking fingerprints. My kid enjoyed those, but I couldn’t really see any scientific rationale behind it.

ProsCons
Green packages, projects, materialsThere’s still SOME plastics
They include the A in STEAM tooNot the cheapest option
Boxes have all suppliesSometimes, it boils down to mere entertainment
Less plastics
4-8 activities per box
They cater to kids as young as 2

#5 Best for Whole Family – STEM Discovery Boxes

Best for Whole Family

STEM Discovery Boxes - Monthly STEM Science Subscription Box

STEM Discovery Boxes

Choose from ready-made kits or customize them; all supplies included.

What’s one of the most obsessive activities for kids?

Why slime, of course.

Frankly, I can’t blame STEM Discovery Boxes for leveraging this age-old fascination. (The only problem is, other subscription boxes do it too. Oh, well…)

Apart from slime, there are also bath bombs and bouncy balls on the menu, among countless other treats. 

That’s a lot of potential for creative mess and even greater potential for fun family bonding! (Especially in peeling that slime off the wall.)

Unlike KiwiCo, Groovy or Green Kids Crafts, this option has a very limited age range – between 7 and 12 years old.

(They say “7 to teen”. But if you’re a parent to a teenager, you’ll know how much their interests and capacities change within months. So I decided to take the “teen” to be 12.)

Projects include things like creating a solar system model, coding, building a solar-powered fan or a hydraulic excavator, and playing with lasers. It includes everything you need for the projects and experiments, including batteries.

However, this also means that children might receive projects that they aren’t very interested in from time to time. This box also includes more projects per month than most others, though it is a bit more expensive as well, starting at $24.95 (if you choose a 12-month plan).

So, is there anything that singles out this box from all others?

Yep! Whether you’re a homeschooling parent or a teacher, you can order a custom STEM kit with an appropriate curriculum. I didn’t try out this option so I can’t tell you whether it’s more expensive than the regular subscription, though.

Finally, there’s one thing I really wish they would improve on: their website.

In 2021, an educational site should offer way more value than just telling you that they have a product here, and you can order it there.

You’d think you can get a sneak peek into their projects, but all you’ll get is one picture for each project. They don’t even tell you what it is!

So, if anyone from the company is reading this, please make a better site! 

ProsCons
They tap into kids’ tested and proven interestsVery limited age range (7 to 12)
They always include all supplies, even batteriesNot much extra value
3 projects per month is less than some, but more than most
You can order custom kits

#6 Best GRL PWR Box – Black Girl MATHgic

Best GRL PWR Box

Black Girl MATHgic

Empowers girls for math & STEM; awesome themes, quality items

Most of us know this, but it doesn’t hurt to hear it AGAIN.

Women are heavily underrepresented in STEM, especially women of color. To even start tackling this problem, we have to usher in a paradigm shift, to show and tell our girls that they are good enough for STEM, and STEM is good enough for them!

So the first thing I love about this subscription box is that it’s in line with my mission to encourage and empower my daughter to freely choose whatever she likes.

And we know that math is the most common boogeyman. With STEM activities for third through eighth grades, Black Girl MATHgic was designed to boost the girls’ confidence in their own math abilities. 

Everything about the box works with that mission in mind: from packaging to messaging.

You’ll receive TWO booklets: one for the girl, another for you.

The kid’s booklet contains all the activities for the month. On the other hand, the Adult Guide will help you muddle through the box alongside her.

And it does make sense to include a parent or another adult into these activities. When society has been telling you for centuries that you aren’t good enough for math, you need all the support you can get to BREAK this vicious cycle of doubt and negative reinforcement. 

Each month’s activities are themed. We’ve seen themes of expats, algebra, yoga/relaxation, family, business, road tripping, etc. Better yet, they have an option to choose from various themes, so you can buy a one-time gift for your girl to dip her toes and try a different way of doing mathematics.

For example, the Road Tripping Box include a bunch of themed real-life scenarios that tackle math through: 

  • traveling via plane through different time zones
  • planning your budget (buckle up for some algebra!)
  • a mini globe squeeze ball that you can use afterwards too
  • a set of high-quality magnetic wooden blocks (similar to what I’ve seen in Tegu) for learning geometry, etc.
  • a tote and stickers (no real value except that they’re cool and kids are always into those)

Plus, each box features a woman mathematician, with her bio and interview. Sometimes, you may even get a full-blown book. We were so sorry we missed the July 2020 box which contained the amazing novel “One Crazy Summer” by the award-winning author Rita Williams-Garcia!

(Bought the book afterwards, though.)

These boxes are known not only for including exciting math puzzles and activities to engage your child and expose her to great role models, but for adding stickers and clothing items and other accessories to remind her of her potential far after she’s done with the activities.

To personalize the box and add another layer of surprise for your girl, you can leave her name when offering. They’ll put up a sticker with her name onto the box.

Bottom line! Two greatest pros of this option: it’s specialized for math, and it’s geared towards girls of color (although any girl OR boy will enjoy it). 

The biggest cons are limited age range and the price, which starts at $39.95 for a one-timer and jumps up to $45.95 if you want a particular theme.

ProsCons
Empowering girls (especially of color) for STEMOnly for 3rd to 8th grades
Activities focused on real-life scenariosIt’s on the costlier side
High-quality, reusable itemsMath isn’t the sole focus (though this can be a pro too)
Affirmative messaging (stickers and cards)
Black history, with a featured female mathematician every month
Also good for adults that aren’t very much into math

#7 Best Robotics Box – GoBox

Best Robotics Box

GoBox STEM subscription box

GoBox

Build and code a different robot every month while learning Python programming!

Fancy getting a robot car and a new mission for it every month?

Although certainly one of the more expensive subscription boxes for kids, GoBox will walk your child through the entire process of building and programming one robot per month. 

This is one of our favorite STEM subscription boxes for emphasizing all four STEM subjects: Science, Technology, Engineering and Math.

If you’re anything like me, you might frown at the price.

But hear this.

This robot subscription is definitely worth every penny, as each box contains considerably more than one month’s worth of STEAM projects material

And the deterring price of $159 is a one-off purchase. Each monthly pack of sensors is only $20. (If you already have the robot, you can only subscribe for missions and sensors.

First off, you’ll get the GoPiGo robot car itself. Actually, it’s a bunch of parts for your kid to assemble: a plastic chassis, a Raspberry Pi microcontroller, micro SD card, motors, wheels and screws. 

No worries if neither of you is adept at DIY-ing things. There’s a detailed tutorial here!

The robot runs on a dedicated GoPiGo OS and lets the kid code in 2 languages: the visual, drag-and-drop Bloxter, and the high-and-mighty Python! So your young’un can do the basics and then proceed with advanced programming.

That’s what I was talking about when I said that this box is worth every penny.

Next up, your kid will get a new set of sensors and new missions every month. For example, program the robot to explore Mars by detecting temperature, avoiding obstacles, detecting the amount of light needed for solar energy… As you may imagine, the child will also learn quite a lot about Mars and some NASA technology too!

Other missions include programming the robot to detect whenever a new person arrives at the house so you could help a friend with hearing difficulties. Or deliver mail and sort through it by detecting different colors. Or detectnoise and earthquakes!

So not only are kids tasked with designing, building, and programming their bot, but they have specific tasks they must accomplish with it as well!

Kids don’t need ANY previous programming experience. Each STEM box comes with a series of missions, a robotic car update, and an instructions manual to guide your child through the engineering design process and coding projects.

***UPDATE MAY 2021*** 

While updating this article, I checked and saw that the product was out of stock. Bummer!

My first thought was that they discontinued this box. So I reached out to their support, and they promptly responded that they’re definitely going to restock within a couple of weeks. So, if the same happens to you, worry not!

ProsCons
Covers all coding levels, from beginner to proPretty expensive to begin with
2 programming languages: visual Bloxter and text-based PythonMay go out of stock occasionally
All lessons freely available on their website
Missions and sensors are very affordable
Fast customer support

#8 Best Coding Box – BitsBox

Best for Coding

BitsBox

A complete coding beginner will learn to make their own apps every month!

Are you harboring the next Steve Wozniak in your home?

(Or garage, or basement? Coz that’s where computer scientists like to hang out.)

BitsBox offers a monthly computer science project. 

With NO coding experience required, BitsBox will supply your kid with regular app coding projects to teach them to code in a seamless way, without getting their head to burst. The coding is all done in a browser, so it works on a mobile device too.

Here’s the gist of it: your kid chooses from a host of simple to advanced projects that come with every box. Then they use the BitsBox website to code an app from scratch. Finally, they use their smartphone or tablet to test (or share!) their new app.

There are instructions and guides, but the child can customize their code and really make each app their own.

That’s “learning by making” and open-ended play if I ever saw one!

Every project is in fact a card. As the kid completes them, they can lock the cards into the colorful binder they got in the first package, and proudly watch the pile grow.

The projects are also insanely fun even for adults. To get a taste of it, you can see for yourself how it works by writing a few lines of code on their coding page.

One of the best parts of this subscription is that you can tailor the amount of screen time you’re willing to allow your kid

For those on a budget, BitsBox Basic may be an ideal starting point, in which children get all of the fun of a BitsBox app projects, but WITHOUT the monthly mystery toy. 

On the other end of the spectrum is BitsBox Deluxe, which includes all of the app activities of the previous box, but with hands-on kits to bring the work you are doing in your apps to life in your living room!

Before we gave this box a try, I thought it would be visual programming, with languages like Scratch.

Wrong! You actually get text-based JavaScript coding that teaches you the real underlying structure for different programming languages. Even though Python is all the rage now, JavaScript is still the most pervasive language on the web, and it isn’t likely to go away any time soon!

Still, I wish they’d expand to some other languages too.

And before you frown at the starting price of $37.95 for the Deluxe package, think about how much you’d have to shell out for programming classes every month.

And now to the downsides. Preschoolers or 1st-graders are definitely old enough to dip their toes into programming. But 13-year-olds are not TOO old! In fact, no one is too old to learn coding.

And BitsBox, alas, doesn’t seem to cater to teens.

ProsCons
Text-based programming made funOnly caters to 6-12 kids age
Two or more kids can share OR play independentlyOnly teaches JavaScript
You can test for free
No prior knowledge needed
Any computer or mobile device will do
Free shipping in the US

#9 Best for Problem Solving – Little Passports Expeditions Box

Best for Problem Solving

Little Passports Expeditions Box

Solve very real scenarios and build working models to play with further!

Before we dive into this option, let’s get one thing out of the way.

Little Passports have a variety of offerings for kids as young as 3 all the way up to 12, and they have separate boxes for science but also geography, world culture, and the U.S. They also have a bunch of other one-off gifts and toys, all of them related to STEAM.

However, we only tested their Science Expeditions box for 8 years and up, so I can’t speak to the other editions.

So is there anything special about this box?

For starters, it’s geared towards natural science. The monthly themes include forensics, hydrology, rockets, crystals, caves, aerodynamics, stars and planets.

Every theme features real-life scenarios and mysteries, so your kid can have their fill of pretend play while learning basic science concepts.

Each box in this STEAM subscription includes a comic book with a glossary and activities, a mystery to solve, a hands-on science experiment and project, and achievement badges for each month to boost their self-confidence. 

Each shipment is themed for the interest of various children, with STEAM projects, such as forensic science, caves and crystals, hydrology, and rockets.

Some of the experiments are just amazing and the kid will build functioning models of a marble run, kaleidoscope, hydraulic arm, pinball machine. 

But! (There’s always a but…) 

The materials are often pretty fragile and won’t take much of a beating.

As with some other subscription boxes, they won’t send you everything you need either, which can be frustrating. 

For example, the first kit you’ll receive is about forensics. We had salt, dish soap, measuring tape, paper scraps at home. As a chemist, I had isopropanol for DNA extraction, but I doubt everyone does. What we didn’t have, however, was red tempera for the spatter tests.

(We also lacked a piece of newspaper. Who reads print newspapers these days?)

It’s not so much about the extra couple of bucks I had to spend. It’s about the added hassle of going out when a subscription box should be about convenience.

By the way: from what I’ve seen on their Facebook page, their Science Junior subscription has many interesting projects too. If you already tested it, drop us a note and tell us about your experience!

ProsCons
There are multiple editions to choose fromMaterials are cheap
The comic book with activities and glossary can serve as keepsake tooYou won’t get everything you need for the experiments
They have video tutorials and printables for each experiment
Some experiments are super interesting (e.g. marble run)
You can cancel anytime

#10 Best for Busy Little Bees – Spangler Science Club

Best for Passionate STEM-ers

Spangler Science Club

Provides enough resources and projects to play every single day!

There is a reason Steve Spangler Science has been successful since 1995. 

They promise to spark creativity and science learning in your little one, and do this through high-quality, research-based science subscription boxes.

Spangler Science Club boxes come with up to TEN science experiments to use every month.

You read that right! It will allow your child to rotate their learning interests every THREE days! 

It’s going to satisfy even the STEM-hungriest kids. And there are lots of experiments fit for the science fair too.

Each Steve Spangler Science box comes with a comprehensive guide, and the deluxe box comes with a “Take it Further” guide. This guide allows you to extend what you are learning with your Spangler Science Club box into a science fair project!

With continuity of science learning in mind, the best part of this Steve Spangler Science subscription is that if you subscribe for a whole year, you will be sent enough equipment to start your own in-home science laboratory

Together with the high number of experiments per month, this makes Steve Spangler Science Club one of the best value for money STEM subscription boxes for hands-on science.

Unfortunately, there are caveats here too.

I’ll just say one word.

SLIME.

Freakin’ slime. Yes, kids love it. But almost ALL subscription boxes offer slime activities, and at a price that’s much higher than you would spend at a dollar store.

There’s also quite a bit of plastics for my wife’s taste.

ProsCons
10 experiments per monthPretty narrow age group
Very affordable for what it offersLots of cheap plastics
The experiments are research based
A year’s worth of subscription = a whole lab in your house
The Deluxe box includes science fair experiments

#11 Bang for Your Buck – Club SciKidz Labs

Most Bang for Your Buck

Club SciKidz Labs

A whopping 25 activities, big and small; some of the projects are unique

Similar to Spangler Science, Club SciKids Labs participants will be sent the materials to build their own laboratory for endless home science experiments. However, Club SciKidz subscription boxes come with a wealth of extra materials for your child to enjoy. 

In fact, there’s up to 25 small experiments and activities in each box! That’s a LOT of fun, and your kid can do it every day if they want.

Each Club SciKids box comes with science experiments, engineering projects, nature crafts, lab equipment, micro STEM activities and observations, secret formulas, science quotes and riddles, inspiring scientists, science surprises, and science stories.

As with all other picks, the longer your subscription, the less you’ll pay, starting with $32.95 per box if you choose the yearly plan. That’s a bit more expensive than most other options, so let’s see what you’ll get!

Some of the themes include the seen-one-you’ve-seen-them-all kits. (Not that it’s bad, mind you!) 

So, for example, you’ll get boxes that teach the kid forensics, geology, robotics, chemistry.

But there are unique projects too. For example, one thing I didn’t notice in any of the other subscription boxes is a Veterinary Medicine Kit, which teaches kids how to use first aid on their dog, lets them perform an experiment to detect yeast in the pup’s ears, AND teaches them how to make an ear solution.

My daughter was especially thrilled about this box because she’s basically BFFs with our dog. She immediately began to use the stethoscope on him! 

(Took a while to explain that we’ll still have to take him to the vet when he gets ill.) 

Boys (and many girls too) will especially ENJOY the boxes that examine science of gross things, and science of spooky things. 

So if you need a one-off gift for a kid, that’s where I’d start if I were you. Dookie cookies, cow burps, bacteria bungalows, bird barfs, chewable brain gummies – what’s there not to love?!

What’s more, the theme isn’t grossology for the sake of being gross. Through playing with these eewy stuff, your kid will learn about different animals, a bit of chemistry through growing microbes in a Petri dish, the real reason why washing your hands is important (how relevant during a pandemic!), and so on.

Each box will contain a BUNCH of items, so your kid will likely need your help in sorting them and figuring out what they need for each activity.

Apart from the fact that they cater to children’s existing interests, what I really like is that every box comes with an activity booklet that contains instructions, fun facts, experimental designs to nudge your kid to posit different hypotheses. 

If your kid really gets into SciKidz labs, you can pay $76.95 and register them for the Virtual STEAM Academy Program with the theme of your choosing. The price includes getting a corresponding box, plus four 45-minute classes with their educators.

ProsCons
They leverage kids’ existing interests (e.g. vet science, gross and spooky things)It’s on the costlier side
Great value for the moneyAs one-time purchases, some boxes are more expensive than others
You get all the materials you needNo options for preschoolers
Items are better quality than most other options
Very responsive and efficient customer service
They also offer classes with their educators

#12 Best for Nostalgia – The Magic School Bus by The Young Scientists Club

Best for Nostalgia

Magic School Bus

Ms. Frizzle the bus driver takes you through interesting, open-ended adventures!

When you land on The Young Scientists Club’s website, you’ll feel as if you entered a wormhole and travelled back in time to 1999.

And if you’re old enough to remember what it was like geeking your eyes out on garish site colors and pixelated elements, you’re gonna LIKE it.

It really shows that this subscription box is one of the oldest out there, and it was conceived by a bunch of Harvard geeks – graduates, students, and educators.

For you and me, The Magic School Bus will invoke nostalgia. But what’s in there for our kids?

Well, if your kid is a fan of The Magic School Bus Rides Again series on Netflix, they’re gonna love Fiona’s big sis Ms. Frizzle as the bus driver.

Apart from that, you know the drill. You either buy a one-off kit and pay $19.99 for it, or you prepay for a whole year and pay exactly the same price times 12.

No subscribe-and-save-so-I-could-make-you-buy-things-you-don’t-wanna-buy shenanigans!

It’s a straightforward approach: give this box a try or two, and if you like it, help yourself to a full year. Personally, I love this. But it will definitely be a con for many parents out there.

If you don’t like the box, they won’t give you a refund. But before you get angry, let me tell you: at $19.99 flat, the price is low enough as it is (lower than ANY other option). Plus they are actually very clear about it, unlike some of their competitors where you have to learn it the hard way.

So what’s in there? 

Each Young Scientists Club box is framed around a particular episode of The Magic School Bus. Kids will jump on board with boxes containing an experiment, a manual, and all the Ms. Frizzle references you can handle!

As for themes, there’s nothing out of the ordinary: magnets, human body, weather, acids and bases, stars and planets, volcanoes…

The kits contain a bunch of comic-style illustrations and cards. On one side of each card, there’s Ms. Frizzle asking something (e.g., how to cook without fire). But then, on the other side, kids get directions to other cards with experiments that may or may not help them solve this problem.

No fast and easy answers here – they have to brainstorm, try out different things, and arrive at the solution on their own!

For example, the cooking card directs you to learn about different colors and their light absorption properties through guided experiments. It also nudges you to study how different materials reflect light.

The kid can also keep track of their research, similarly to Groovy Lab in a Box (scroll up for review), which is another huge plus.

Even though they may not be as fancy or popular as some other options from our list, The Young Scientists Club is still among the best kids’ subscription boxes out there.

And even though they’re an old company, they are very active – check out their Facebook page where they post awesome videos! 

ProsCons
A time-tested subscription boxNo 3-month or 6-month subscriptions
Kids can keep track of their researchNo refunds (but you can cancel anytime)
Very affordable
No upselling
May invoke nostalgia in mom and dad
The learning process is simple and fun

#13 Best for Electronics – Creation Crate

Best for Electronics

Creation Crate

Very unique projects consisting of electronic circuitry and coding; they will challenge your kid at all times!

Learn electronics, circuitry and Arduino coding while creating a LIFETIME’s worth of working devices to keep in your home with the Creation Crate

Recommended for children ages 12 and up, this award-winning subscription box heavily focuses on electrical circuits and coding projects

In a way, it’s like GoBox for electronics (and with Arduino-compatible UNO R3 instead of Raspberry Pi, which is why it’s also waaaay CHEAPER).

And it does make sense that they decided to specialize. Tweens and younger teens already know what they don’t know. 

(At any rate, they know what they do and don’t like.)

Each box from Creation Crate, or project, as they are called, comes with ALL of the needed components to build that month’s project: video tutorials, manuals, and over-the-phone support where needed. 

The STEM projects include a mood lamp that changes color in the dark, memory game, a functional LED clock, a theremin (instrument)

They’re quite a design challenge but require no previous experience. They’re also extremely rewarding for kids in the target audience (and to be honest, their parents too). 

And from an educational point of view, Creation Crate is great for kids to learn the engineering design process.

The first task in each box is assembling the electronic circuit for whatever project is on your plate. Which, frankly, isn’t very difficult thanks to their step-by-step tutorials.

Then, you proceed with coding in Arduino, that is C and C++ languages. There’s much hand-holding here too, but you need to be patient. Every little detail makes a difference!

For example, my son got pretty disheartened when it turned out that his Mood Lamp didn’t work. It could mean two things: either he did something wrong in hooking the wires up, or he messed up the code!

But he managed to troubleshoot it on his own, and was twice as motivated when he saw it working.

What blew me away was the fact that they really like to bring it to the next level by stimulating open-ended play. If you expand the project or customize it, and send them a short video of your project, you may get some nice free rewards!

They introduced this a couple of years ago, which tells me they are a company that’s really committed to education and improving their products.

Subscriptions for 3, 6 or 12 months will also get bonus gifts such as component case, digital multimeter, and soldering kit.

And here’s another huge plus. Unlike many other STEM subscription boxes, Creation Crate includes STEM projects that get more and more challenging as the monthly subscription progresses.

It means that your child will NEVER outgrow them and will remain continually challenged! 

If your kid is super enthusiastic about this, you can treat them to a so-called Challenger Project. These come in phases and are NOT for beginners. 

For example, the kid will build a digital clock one month. Next month, they’ll get to transform it into an alarm clock. The final phase is the trickiest: make it a puzzle alarm clock, so you have to solve a puzzle for it to stop ringing!

As always, we’ve noticed a couple of downsides.

First off, they don’t cater to younger kids. This one’s no biggie because there are a bunch of other options for toddlers, preschoolers, and elementary schoolers.

Secondly, I wish they’d offer at least some of their courses for free. UNO R3 microcontrollers are dirt cheap, as well as other components such as breadboards, cables, wires, resistors, LEDs. Some people may already have them, so it would be really nice to give them a taste of Creation Crate’s awesome curriculums and projects for free.

And it wouldn’t cost them much either. Most buyers prefer to get everything they need in one place, so they’d buy the kits anyway.

Also, unlike with most of their competitors, Creation Crate charges $4.99 shipping in the US and a whopping $8.99 outside the US. So you need to factor this in when making your purchase decision.

ProsCons
Award-winning boxNo boxes for kids younger than 12
Specializes in electronics and codingOnline courses not available for free
Great for all knowledge levels, from beginners to prosShipping isn’t free!
Excellent support – you can call them for anything
Reasonably priced for what it offers
Great gift idea for adults too

What to Consider When Buying STEM Subscription Boxes for Kids

best stem subscription box reviews

Factor #1: How Old is 9 to 99 Years?

Don’t buy into the “suitable for 3 to 99 years” taglines.

That might be true in some cases.

But more often than not, it means that YOU will need to step in and supervise your kid some if not most of the time.

Which beats the purpose if what you wanted was independent, fully immersed play.

So, if you are ordering these boxes to be a fun activity for the whole family, there’s nothing wrong with an all-ages box. But if you’re aiming for a collection of projects that your kid will be able to do on their own, read the age labels carefully.

And sprinkle them with a grain of salt because the child will probably need your help, at least occasionally.

Factor #2: What’s in Your STEM Box?

There are four things in STEM: Science Technology Engineering and Math. (And optionally, Art.)

A STEM box usually contains interdisciplinary projects. But some options may focus on a single discipline like coding, chemistry, or engineering.

So, before you opt for any of these boxes, define your goal. You’re already familiar with your kid’s interests. Do you want them to build things (and tear them apart)?

Or merely get them to spend their time more productively while having fun?

Or maybe you want STEM with an artistic twist, a.k.a. STEAM?

Once you know what types of STEM activities they like and pair that with what you think they could benefit from, you’ll be better able to select the box that best meets their needs.

Another concern: some boxes will contain EVERYTHING the kid needs to complete the projects. Others will rely on household items you may (or may not) have around the house. So keep that in mind too!

Factor #3: How Much Are You Willing to Spend?

STEM crates vary in price range from $17 to $150 per month, and beyond

And there are good reasons for such a wide range of prices! These boxes cater to everyone, from those just looking for some afternoon fun, to those looking to seriously invest in their kid’s future science career.

You should also be aware that the length of subscription may save you some cash! As with anything, the longer you subscribe (and prepay) for, the cheaper it is on a monthly basis.

Factor #4: What Happens If I Cancel?

If you’re prepaying for more than one month, you’ll want to know if this is a company that won’t make a fuss if you want to cancel your subscription at the middle of a billing cycle. 

Will they give you at least some of your money back? It all depends on their individual policies. So before you commit to a longer subscription cycle, make sure to read the fine print on their website!

The general rule of thumb is not to commit with a longer subscription until your kid gets a taste of their projects.

Frequently Asked Questions

best STEM subscription box
Fruit does NOT come included!

What is a STEM Subscription Box?

It depends on whom you ask.

For parents, STEM subscription boxes are a magic recipe for learning, fun, and screen-free time. They are also a way out of the vicious cycle of chasing the latest STEM toy just to see it tossed away into the cat’s litter box after one hour of play.

For kids, they are surprise boxes that contain new projects and activities that are sometimes exciting, and other times less so.

Because let’s face it: even the best subscription box won’t be incredibly new and fresh every single month.

Still, all of the above options are very good, even excellent, MOST of the time.

How do I select the best STEM Subscription Box?

There is no box that fits the needs of every family! 

When deciding to subscribe to a STEM box, consider your reason for subscribing (to teach or to entertain, for example), your budget, and the amount of time you plan to spend on the box per month. 

Some boxes will need you to supervise (even if they claim they won’t). With others, you’ll have to troubleshoot when something goes wrong – and trust me, it will. Yet others will require you to get the common household supplies that didn’t come included in the package (e.g. vinegar, baking soda, dish soap). 

All of the boxes on my list are designed very safely and will provide enough guidance that the kid can complete the majority of projects on their own. But it never hurts to stick around! 

How do I use a monthly STEM Box?

Again, there is no one-size-fits-all answer here. 

If you only intend to entertain your child with an educational toy for a few hours, feel free to dazzle them with the contents of the box and then allow them independent time to explore! 

On the flip side, if you select something as immersive as a programming box, you may wish to sit down and ensure your child understands the instructions before they venture out on their own. 

Either way, the answer depends on your child, your child’s threshold for frustration, and the amount of time you have on your hands.

Last update on 2021-06-16 / Affiliate links / Images from Amazon Product Advertising API

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