Explore the world of electronics and master skills of the future with our unique and exciting DIY STEM kits.
Start Your STEM Adventure
How Does it Work?
1. Choose a delivery plan
Select a 3, 12 or 24 month plan, cancel anytime
2. Get a new project every three months
A new STEM Box project will be delivered to your doorstep every three months
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
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!
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
Box #1
SHIPS: Now
Bit
diy game console
learn about:
- Computer graphics
- Programming in Python & video-game creation
Box #2
SHIPS: July 2024
Synthia
diy digital music sampler
learn about:
- Digital sound production
- Digital sound sampler
Box #3
SHIPS: October 2024
Wheelson
diy ai self-driving car
learn about:
- Autonomous navigation & driving
- Object recognition
Box #2
SHIPS: July 2024
Synthia
diy digital music sampler
learn about:
- Digital sound production
- Digital sound sampler
Box #4
SHIPS: January 2025
Byteboi
diy 8-bit gaming console
learn about:
- How to code your own games
- Microcomputers & microprocessors
Box #6
SHIPS: July 2025
Jay-D
diy dj mixer
learn about:
- Soundwave production
- Coding cutom effects & light shows
Box #8
SHIPS: January 2026
Armstrong
diy robotic arm
learn about:
- Robotic arms and industrial automation
- Controlling servo motors using a microcomputer
Box #10
SHIPS: July 2026
Spencer
diy voice assistant
learn about:
- IoT & Artificial intelligence
- Voice recognition & speech synthesis
Box #1
SHIPS: Now
Bit
diy game console
learn about:
- Computer graphics
- Programming in Python & video-game creation
Box #3
SHIPS: October 2024
Wheelson
diy ai self-driving car
learn about:
- Autonomous navigation & driving
- Object recognition
Box #5
SHIPS: April 2025
Chatter
diy lora communication device
learn about:
- Wireless systems & LoRa
- End-to-end encryption & decryption
Box #7
SHIPS: October 2025
CircuitPet
diy handheld digital pet
learn about:
- Gyroscopes, accelerometers, and motion detection
- AI & machine learning
- Wearable technology
Box #9
SHIPS: April 2026
Clockstar
diy smartwatch
learn about:
- Gyroscopes, accelerometers, and motion detection
- AI & machine learning
- Wearable technology
Start your STEM adventure
What's in the STEM Box?
A UNIQUE DIY ELECTRONICS PROJECT
Get all the components you need to build, tinker & explore
A QUICK-START INSTRUCTION BOOKLET
Learn about the engineering, science and history behind your DIY gadget
ONLINE STEP-BY STEP TUTORIALS
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, 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, England
"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, 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, England
"I recommend it to children AND adults who are interested in tinkering"
"This subscription has been so amazing for me and my daughters. The kits are challenging and engaging, and the components that come with the kits are very high quality. We haven’t hade one issue with ours yet. The subscription is totally worth it and I would recommend it to children AND adults who are interested in electronics, tinkering, and coding!"
Jeremy G.
Father, Arkansas
"STEM is not rocket science!"
"I think what's cool is that you guys have simplified and demystified the fact that this is not rocket science, anyone can approach this once you have the right skills and basics."
Kevin H.
Father, United Kingdom
Easy-To-Follow Instructions
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
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.
STEM BOX | ages 11-99
Hardware assembly
Machine learning
Microcomputers
Autonomous driving
AI
Block coding
Resistors
Python
Motors
Soldering
Electronics
Robotics
Hardware assembly
Machine learning
Microcomputers
Autonomous driving
AI
Block coding
Resistors
Python
Motors
Soldering
Electronics
Robotics
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.
3 months
SUBSCRIPTiON
STEM APPRENTICE
When you’re not fully sure and want to get a taste first. Billed per project as you go.
$
99
/box
how it works
New box every 3 months
Pay per box
Cancel anytime
Instructions manual
Free tools included
Most popular
1 year
SUBSCRIPTiON
STEM HERO
$99/box
A year–long program of 4 boxes shipped quarterly. Raise a little STEM hero with deep understanding of electronics.
$
87
/box
12% off
how it works
New box every 3 months
Includes 4 boxes
Billed
$348 annually
Cancel anytime
Instructions manual
Free tools included
2 years
SUBSCRIPTiON
STEM LEGEND
$99/box
Raise a STEM superhero with this full set of 8 boxes shipped over a 2 year period.
$
79
/box
20% off
how it works
New box every 3 months
Includes 8 boxes
Billed
$632 every 2 years
Cancel anytime
Instructions manual
Free tools included
3 months
SUBSCRIPTiON
STEM APPRENTICE
When you’re not fully sure and want to get a taste first. Billed per project as you go.
$
99
/box
how it works
New box every 3 months
Pay per box
Cancel anytime
Instructions manual
Free tools included
Most popular
1 year
SUBSCRIPTiON
STEM HERO
$99/box
A year–long program of 4 boxes shipped quarterly. Raise a little STEM hero with deep understanding of electronics.
$
87
/box
12% off
how it works
New box every 3 months
Includes 4 boxes
Billed
$348 annually
Cancel anytime
Instructions manual
Free tools included
2 years
SUBSCRIPTiON
STEM LEGEND
$99/box
Raise a STEM superhero with this full set of 8 boxes shipped over a 2 year period.
$
79
/box
20% off
how it works
New box every 3 months
Includes 8 boxes
Billed
$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.
We currently offer two different subscription lines - Wacky Robots & STEM Box. Here are the main differences between the two:
Wacky Robots subscription:
• Ages 9+
• Projects delivered quarterly
• You can choose from 1 box, 1 year, or 2 years of pure STEM fun
• Projects teach about electronics
• All the projects are completely tailored to beginners
STEM Box subscription:
• Ages 11+
• Projects delivered every 3 months
• You can choose from 1 month, 1 year, or 2 years of pure STEM fun
• Projects teach about electronics & coding
• The projects are of medium complexity but totally beginner-friendly
Once you subscribe, you cannot skip a Box.
However, you can cancel your subscription at any time. That way you can cancel your subscription before we start shipping the Box you do not want to get and re-activate your subscription prior to us shipping the Box you do want to get.
You can check the shipping schedule of each Box on the STEM Box or Wacky Robots page.
The pricing is different depending on the line you choose. The more months you subscribe to, the better price you're getting.
STEM Box subscription(projects shipped every 3 months):
• 3 months: $99/Box
• 1 year: $87/Box + a free tools pack
• 2 years: $79/Box + a free tools pack
Wacky Box subscription(projects shipped every month):
• 1 box: $99
• 1 year: $87/Box
• 2 years: $79/Box
Yes, you can purchase STEM Box projects in a form of a bundle in our gift shop.
Find the best STEM project for you, and become an explorer today.
We ship worldwide - you can get a Box no matter where you are in the world.
The estimated shipping time is 4 to 6 days, and the best part is that we offer free tracked shipping!
We ship locally for most regions. We have logistical centers in the US, Canada, European Union, Australia, and UK. So you don’t have to worry about the product getting over the border.
Both!
If you're a beginner, choose our Wacky Robots subscription line and easily enter the exciting world of electronics.
With Wacky Robots, you'll learn about the basics of electronics topics like LEDs, Ohm's law, resistors, capacitors, and much more.
Choose our STEM Box subscription line if you're up for a bigger challenge. Friendly for both beginners and experienced makers.
With STEM Box, you'll learn about topics like Artificial Intelligence, Machine learning, and other skills of the future. You'll also find that our kits are completely customizable, with endless tinkering and modification options in both hardware and software to take your creations to the next level or even make the different products work together.
You can find all anatomy, build, code & usage guides on our learning platform CircuitMess Resources in the section Guides.
All other free additional resources (games, apps, schematics etc.) can be found in the Creations section.
Everything we do is open-sourced, and more information about all the products is available on our GitHub.
If you still can't find the answer you're looking for, you can always reach out to us at contact@circuitmess.com, and we'll be happy to help!
We understand that sometimes plans change, and you may need to cancel your subscription or order.
When you purchase a subscription, you'll receive repeat deliveries. These are based on the subscription duration and frequency that you select.
Our subscriptions auto-renew at the end of their duration. If you don't want to renew a subscription, you can cancel it in your account at any time.
Please note that you can not cancel your subscription for the boxes you've already purchased; you can only cancel your subscription for the upcoming boxes you have not paid for yet.
If you have any further questions, please reach out to us at contact@circuitmess.com, and we will be happy to assist you on your journey.
