CircuitMess

Black Friday Starts Early. But Only for VIPs

Our most popular STEM kits sell out every Black Friday. Join the free VIP list to shop our biggest deals 7 days before others

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LAST CHANCE: Up to 40% OFF NASA Kits!

We are officially stopping production on our exclusive NASA STEM kits. Get yours before they sell out!

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Limited-Time Hot Deals

Get your hands on amazing STEM products at unbeatable discounts.

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Shop All STEM Kits

Discover the world of hands-on electronics, coding, and robotics.

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Mars Exploration Bundle

Design, build, and program your Mars Rover. Explore with the NASA-themed watch!

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Bestsellers

%

exclusive

NASA Artemis Watch 2.0
21 left

NASA Artemis Watch 2.0

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

$89.00
$149.00-40%
%

new

Wacky Collector's Bundle
14 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
18 left

Chatter 2.0

Build & code your own encrypted communicators

$149.00

bestseller

Clockstar 2.0
25 left

Clockstar 2.0

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

$99.00
%

exclusive

Mars Exploration Bundle
Low Stock

Mars Exploration Bundle

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

Number of projectsx2
Free tools iconfree tools
$359.00
$537.00-33%
%

new

Bestsellers Bundle
25 left

Bestsellers Bundle

Our most popular kits, together for the best price!

Number of projectsx3
$339.00
$467.00-27%

Discover the joyof hands-on learning

CircuitMess projects are more than assembling and coding robots. They're about igniting a passion for STEM and building essential problem-solving skills.

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Learn new STEM skills

Live onKickstarter

MAKERphone 2.0

left to get MAKERphone 2.0 at the best price ever

Support us on Kickstarter

The perfect giftfor curious minds

Spark their problem-solving skills and make learning fun! A CircuitMess gift card lets them choose their own STEM adventure.

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Over 300,000 kits sold. Recommended by STEM educators.

Join a thriving community of makers who are developing real-world skills, exploring new technologies, and building amazing projects with CircuitMess. Read what they have to say about their experience:

FREE WORLDWIDE SHIPPING

For orders over $96

LIFETIME SUPPORT

Reach out if you need help with your build

SECURE PAYMENT

100% safe - PayPal, debit, or credit card

GLOBALLY RECOGNIZED

Over 300.000 STEM kits sold

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.