CircuitMess

Shop All CircuitMess Kits

Explore the entire CircuitMess collection and discover your next hands-on STEM adventure! From robots to game consoles, there are kits for kids, teens, and adults.

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    Bestsellers Bundle
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    Bestsellers Bundle

    Our most popular kits, together for the best price!

    Number of projectsx3
    $339.00
    $447.00-24%
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    Wacky Collector's Bundle
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    Wacky Collector's Bundle

    Includes Bit 2.0, plus all 9 Wacky Expansions

    Number of projectsx10
    $125.00
    $169.91-26%
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    Beep Boop Bundle
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    Beep Boop Bundle

    Get all four Beep Boops for a special price

    Number of projectsx4
    $115.00
    $156.00-26%
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    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
    $517.00-23%
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    bestseller

    Coding Bundle 2.0
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    Coding Bundle 2.0

    Learn to code by building & programming three unique game consoles

    Number of projectsx3
    $269.00
    $337.00-20%
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    Gizmo Bundle 2.0
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    Gizmo Bundle 2.0

    Master electronics and programming by crafting multi-function gadgets

    Number of projectsx3
    $269.00
    $337.00-20%
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    Retro Bundle 2.0
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    Retro Bundle 2.0

    Build your own retro console & communication devices

    Number of projectsx2
    $199.00
    $238.00-16%
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    Smartwatch Bundle
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    Smartwatch Bundle

    Build one, program two - master wearable tech!

    Number of projectsx2
    $199.00
    $228.00-13%
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    Ultimate STEM Bundle
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    Ultimate STEM Bundle

    Go from beginner to STEM expert with every CircuitMess kit out there

    Number of projectsx19
    Free tools iconfree tools
    $1,199.00
    $1,669.91-28%
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    Virtual Pet Bundle
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    Virtual Pet Bundle

    Build, train & collect all CircuitMess virtual pets

    Number of projectsx5
    $195.00
    $245.00-20%
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    Complete Wacky Expansion
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    Complete Wacky Expansion

    Get all the Wacky expansions - 9 games & 126 cards

    Number of projectsx9
    $59.99
    $80.91-26%
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    Epic Gaming Bundle
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    Epic Gaming Bundle

    Empower tomorrow's innovators through engineering, coding & gaming

    Number of projectsx6
    $619.00
    $884.00-30%
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    NASA Collector's Bundle
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    NASA Collector's Bundle

    Includes the Artemis Watch 2.0 & all 4 official straps

    Number of projectsx1
    $149.00
    $168.96-12%
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    bestseller

    RC Bundle 2.0
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    RC Bundle 2.0

    Build and code an AI car & conquer retro games with a DIY console

    Number of projectsx2
    $259.00
    $328.00-21%
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    Music Bundle 2.0
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    Music Bundle 2.0

    Build and program your own synth & DJ mixer

    Number of projectsx2
    $279.00
    $318.00-12%
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    The Artemis Strap Collection
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    The Artemis Strap Collection

    The complete collection of NASA Artemis straps

    $29.99
    $39.96-25%
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    Complete Workshop Bundle
    Low Stock

    Complete Workshop Bundle

    Build safely & efficiently: tools, mat & eye protection.

    $59.00
    $73.00-19%
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    Butter Bot

    Butter Bot

    Sentient, AI-powered robot inspired by Rick and Morty with extra modules

    Number of projectsx1
    Free tools iconfree tools
    $309.00
    $346.00-11%
    Estimated ship date: April 2026

FREE WORLDWIDE SHIPPING

For orders over $96

LIFETIME SUPPORT

Reach out if you need help with your build

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GLOBALLY RECOGNIZED

Over 100.000 STEM kits sold

Over 100,000 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:

Person holding CircuitMess ByteBoi

“Incredible products and an amazing learning experience”

"I’ve purchased several products from CircuitMess, and they’ve all been exceptional. The instructions are clear, and the experience is unmatched. I highly recommend ByteBoi and Wheelson—their interactivity is incredible, and it’s truly mind-blowing to see what you can build with your own two hands."

Image for NASA Artemis review

“The perfect alternative to screen time”

"After a long day at work, I used to just zone out in front of the TV or scroll on my phone for hours. CircuitMess completely changed that. Now I spend my evenings building something cool and meaningful. It’s fun, super engaging, and way more satisfying than wasting time on your phone."

Image for Wacky Adventure Bundle review

“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."

Image for Wacky Friends review

“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."

Image for Music Bundle review

“Unwind and create after a long day”

"After long, stressful days at work, I was looking for something that could help me unwind and disconnect from the constant screen time. Building and creating something tangible is relaxing and satisfying. Highly recommend it for anyone seeking a stress-free, creative escape."

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.