Transform Your Kids’ Education With STEM Box

Explore the world of electronics and master skills of the future with our unique and exciting DIY STEM kits.

How Does it Work?

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1. Choose a delivery plan

Select a 3, 12 or 24 month plan, cancel anytime
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2. Get a new project every three months

A new STEM Box project will be delivered to your doorstep every three months

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3.Start building

Teach your kids the skills of the future with hands-on projects!

Perfect for Any
Curious Mind

All our projects are tailored for beginners and require no prior knowledge or skills!

But, if you're an experienced maker, you'll have a lot of fun tinkering with our customizable hardware & software.

Fuel Your Child's Creativity

Seriously Enriching

Your kids will learn about AI, machine learning, autonomous driving, and other skills that will help them solve real-life problems.

Every three months, you'll get a unique project based on a specific STEM topic.

Take a Peek at What’s Expecting You With STEM Box Subscription

stem products showcase

Combine the Power of Our STEM Gadgets

Our STEM toys work best when put to work together! Unlock completely new scenarios and use cases by combining our assembled STEM gadgets.

Attach Armstrong to Wheelson and form a super-smart robotic car that does all the house errands for you. Or connect it to Byteboi and use it as a controller for Armstrong. The choice is yours!

Wheelson & Byteboi

Raise an Innovator of the Future

Your kids will explore the engineering principles behind everyday objects with our immersive STEM projects

Unleash Your Kid's Inner Genius

stem box

This is What You’re Getting When You Hop on STEM Box Subscription

Stem box info
Box #1
diy digital music sampler

learn about:

  • Digital sound production
  • Digital sound sampler
Box #2
SHIPS: October 2024
diy ai self-driving car

learn about:

  • Autonomous navigation & driving
  • Object recognition
Box #3
SHIPS: January 2025
diy 8-bit gaming console

learn about:

  • How to code your own games
  • Microcomputers & microprocessors

What's in the STEM Box?

Kid holding Synthia box


Get all the components you need to build, tinker & explore
Kid soldering


Learn about the engineering, science and history behind your DIY gadget
Kid programming Wheelson


Easy-to-follow instructions for a unique building, coding & tinkering experience

Kids and parents agree that CircuitMess is the perfect blend of fun and education

Over 100,000 STEM superstars all around the world use STEM kits from CircuitMess to learn relevant skills for our futures in a fun and playful way. Check out what they have to say:

"This was super easy and fun for my 9-year-old"

"My 9 year old daughter is loving this. Super easy and fun to build."

Joshua B., Father
Joshua B.
5 stars iconFather, Canada

"My daughter feels so confident soldering and connecting circuits"

"My daughter looks forward to each project and has enjoyed every hour of her builds. She has used her brains and hands, made mistakes and fixed them, and now feels so confident soldering and connecting circuits. Even liked the after care when we needed additional pieces."

Kevin H., Father
Kevin H.
5 stars iconFather, England

Easy-To-Follow Instructions

Micro controller

Anatomy guide

Learn about the parts that make your device work


Build guide

Step–by–step guide with 100+ photos


Usage guide

Tips & tricks on how to use your device


Coding guide

Beginner–friendly with detailed instructions

Over 82,463 Boxes Delivered to Future Engineers Worldwide

Check out #CircuitMess to see more makers

Makers 1Makers 2Makers 3Makers 4

Drag and Drop to Code

Our beginner–friendly coding interface, CircuitBlocks, will help you code your own apps and games.

They'll only need to drag and drop colorful blocks to code and expand their device's functionalities.

Coding with Drag and Drop

STEM BOX | ages 11-99

Let Your Kids Acquire Skills of the Future by Assembling Fun Engineering STEM Projects - One DIY Kit at a Time assembly learning driving coding

Our DIY kits have helped thousands of kids build self–confidence and master STEM all while playing. Choose between subscription plans below and get unique STEM project delivered every 3 months.

When you’re not fully sure and want to get a taste first. Billed per project as you go.
how it works
New box every 3 months
Pay per box
Cancel anytime
Instructions manual
Free tools included

Most popular

A year–long program of 4 boxes shipped quarterly. Raise a little STEM hero with deep understanding of electronics.
12% off
how it works
New box every 3 months
Includes 4 boxes
Billed $396 $348 annually
Cancel anytime
Instructions manual
Free tools included
Raise a STEM superhero with this full set of 8 boxes shipped over a 2 year period.
20% off
how it works
New box every 3 months
Includes 8 boxes
Billed $792 $632 every 2 years
Cancel anytime
Instructions manual
Free tools included

Free worldwide delivery. Subscriptions renews automatically, cancel anytime. Rated 4.4/5 by 100,000+ satisfied customers.


Here are our most asked questions. Can't find what you're looking for?

Visit our help center >