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Beep Boop

Get a free beep boop!Get a free beep boop!

Join our list to get a special code that adds a free Beep Boop—our new interactive digital pet—to any order over $100.
*By submitting this form, you agree to receive occasional email with special STEM tips and offers.

Bestsellers

exclusive

NASA Artemis Watch 2.0
20 left

NASA Artemis Watch 2.0

A programmable, NASA-themed smartwatch with activity tracking & more

$149.00
%

new

Wacky Collector's Bundle
18 left

Wacky Collector's Bundle

Includes Bit 2.0, plus all 9 Wacky Expansions

Number of projectsx10
$125.00
$169.91-26%

bestseller

Chatter 2.0
19 left

Chatter 2.0

Build & code your own encrypted communicators

$149.00

bestseller

Clockstar 2.0
21 left

Clockstar 2.0

Build & code your own smartwatch and connect it to your phone

$99.00
%

exclusive

Mars Exploration Bundle
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Mars Exploration Bundle

Start exploring with a buildable rover and the ready-to-use NASA smartwatch

Number of projectsx2
Free tools iconfree tools
$399.00
$537.00-26%
%

new

Bestsellers Bundle
Low Stock

Bestsellers Bundle

Our most popular kits, together for the best price!

Number of projectsx3
$339.00
$467.00-27%
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Over 100,000 kits sold. Recommended by STEM educators.Over 100,000 kits sold. Recommended by STEM educators.

Join a thriving community of young makers and curious minds who are learning with STEM kits, exploring real-world skills, and building exciting tech projects. Discover why parents consider CircuitMess among the best STEM toys for kids and what they have to say about their experience:

A girl holding a CircuitMess Charlie and its box.

“We can't wait for the next project!”

"My kids, nieces and nephews hardly ever interact with each other but building CircuitMess project brought the whole family closer. It was the most rewarding experience I've ever had with these wonderful kids."

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Child playing with a CircuitMess Sparkly on a wooden table

“A fun way to set kids up for future success”

"I got the Wacky Robots kit for my kids, and I couldn’t be happier with the results. They’re having so much fun building and experimenting, but what really amazes me is how much they’re learning. These kits are teaching them real life skills, things that will help them in school and, down the line, help them in their careers."

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A kid with CircuitMess Wacky Robots and their boxes.

“Brilliant STEM kits for kids”

"We have recently bought the CircuitMess Bit along with 9 different mini robots to replace another known STEM brand. The difference is night and day. CircuitMess provides fun projects for kids to actually enjoy."

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CircuitMess Bit on top of its box.

“A fun way to set kids up for future success”

"I wasn’t expecting much more than a fun activity when I got this for my kids, but it turned out to be so much more. They’re not just playing - these kits are educating them and building a foundation for something bigger.This is more than just a toy; it’s an investment in their future."

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CircuitMess Harald with its box on a table.

“Best gift I Ever Gave to My Family”

"The Wacky Robots set was the perfect gift for my brother-in-law's family. Everyone was delighted. With clear instructions and unique details, it provided an engaging and educational activity for all of us to enjoy together."

Learn More
Beep Boop

Get a free beep boop!Get a free beep boop!

Join our list to get a special code that adds a free Beep Boop—our new interactive digital pet—to any order over $100.
*By submitting this form, you agree to receive occasional email with special STEM tips and offers.

Have questions?
Check out our FAQs!

Our kits are made for learning new STEM skills. We're providing you with materials, instructions, and ideas, but it's up to you to build it and code it yourself. We strongly believe that once you make something with your hands, you're not only accomplishing something new, but also learning sought-after skills.

We have two product lines. One is for kids, and it includes STEM toys for ages 7+. The other product is for teens & adults. It consists of products for ages 11+, 14+, as well as more advanced kits for adults.

You will learn all the essential STEM skills that could define your future. You'll learn everything from electronics and robotics to coding and problem-solving.

We offer a variety of kits. You can build robots small and big, gaming consoles, AI-powered cars, NASA-themed rovers, smartwatches, and much more. For full product list, visit our official store.

We ship worldwide - you can get a kit no matter where you are in the world. You get a free tracked shipping for orders over $99. For orders below $99 shipping fee starts at $15. Your packages will be shipped from the EU, and if you have any questions about import charges, please check this. Within EU, You get a free tracked shipping for orders over $99. For orders below $99 shipping fee starts at $8.

No. But now you can buy whichever CircuitMess STEM kit you want and you'll even find bundles to get more kits at once while saving money. If you still have an active CircuitMess subscription, you will get all the STEM boxes you have subscribed to. After that, you'll be able to buy each product separately or in a bundle.

If you have one of our subscriptions you can manage it here.

You can access anatomy, build, coding, and usage guides on our learning platform, CircuitMess Resources, under the Guides section. All our projects are open-source, and additional product details are available on our GitHub repository. 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!

You can check our cancellation policy on this link.