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STEM Kits for Adults

CircuitMess kits empower adults to explore the world of electronics, coding, and robotics through engaging, hands-on projects. Build real working devices, from retro game consoles to AI-powered robots. Develop valuable skills, expand your knowledge, and experience the satisfaction of creating something unique.

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    bestseller
    ByteBoi
    11 left

    ByteBoi

    Assemble a retro DIY console, play pre-loaded games, and code your own

    $159.00
    Wheelson
    23 left

    Wheelson

    Build and code a self-driving, AI-powered robot car

    $169.00
    Synthia
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    Synthia

    Build & code an all-in-one sampler, drum machine, sequencer & synth

    $149.00
    -30%
    new
    Epic Gaming Bundle
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    Epic Gaming Bundle

    Empower tomorrow's innovators through engineering, coding & gaming

    Number of projectsx6
    Free tools iconfree tools
    $629.00
    $893.00-30%
    Jay-D
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    Jay-D

    Make your own DJ mixer and learn about digital sound production

    $169.00
    new
    Clockstar 2.0
    21 left

    Clockstar 2.0

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

    $99.00
    exclusive
    NASA Artemis Watch
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    NASA Artemis Watch

    Easy-to-build NASA-themed smartwatch with accelerometer, gyro & more

    $129.00
    -18%
    new
    Coding Bundle 2.0
    25 left

    Coding Bundle 2.0

    Learn to code by building & programming three unique game consoles

    Number of projectsx3
    Free tools iconfree tools
    $259.00
    $317.00-18%
    bestseller
    Chatter 2.0
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    Chatter 2.0

    Build & code your own encrypted communicators

    $129.00
    -32%
    exclusive
    Ultimate STEM Bundle
    Low Stock

    Ultimate STEM Bundle

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

    Number of projectsx24
    Free tools iconfree tools
    $1,649.00
    $2,435.00-32%
    -16%
    new
    Gizmo Bundle 2.0
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    Gizmo Bundle 2.0

    Master electronics and programming by crafting multi-function gadgets

    Number of projectsx3
    $259.00
    $307.00-16%
    -14%
    bestseller
    Retro Bundle 2.0
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    Retro Bundle 2.0

    Build your own retro console & communication devices

    Number of projectsx2
    $179.00
    $208.00-14%
    -24%
    new
    Epic Music Bundle
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    Epic Music Bundle

    Build a complete DIY music setup: synth, mixer & more

    Number of projectsx6
    Free tools iconfree tools
    $499.00
    $653.00-24%
    -21%
    exclusive
    Mars Exploration Bundle
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    Mars Exploration Bundle

    Start exploring with a buildable rover and a NASA-themed smartwatch

    Number of projectsx2
    Free tools iconfree tools
    $409.00
    $517.00-21%
    -21%
    bestseller
    RC Bundle
    25 left

    RC Bundle

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

    Number of projectsx2
    Free tools iconfree tools
    $289.00
    $367.00-21%
    -26%
    new
    Epic Scientist Bundle
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    Epic Scientist Bundle

    Inspire future inventors with hands-on building & coding

    Number of projectsx6
    Free tools iconfree tools
    $529.00
    $713.00-26%
    -16%
    bestseller
    Music Bundle
    24 left

    Music Bundle

    Build and program your own synth & DJ mixer

    Number of projectsx2
    Free tools iconfree tools
    $299.00
    $357.00-16%
    exclusive
    NASA Mars Perseverance Rover
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    NASA Mars Perseverance Rover

    Build & code your own NASA-themed, AI-powered rover

    $349.00
    -19%
    Complete Workshop Bundle
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    Complete Workshop Bundle

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

    $59.00
    $73.00-19%
    Tools Pack
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    Tools Pack

    Be ready for any creative project with lead-free solder and more

    $39.00
    Silicone Work Mat
    15 left

    Silicone Work Mat

    Upgrade your workspace with our heat-resistant mat (9.45' x 8.27')

    $19.00
    Protective Goggles
    Low Stock

    Protective Goggles

    Get that scientist look & stay safe while working with electronics

    $15.00
    exclusive
    Butter Bot Basic
    16 left

    Butter Bot Basic

    Your AI–powered robotic desk companion from Rick and Morty™️

    $229.00
    Estimated ship date: November 2025
    -11%
    exclusive
    Butter Bot Premium
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    Butter Bot Premium

    Get Butter Bot with extra crazy modules, tools & limited-edition mat

    Number of projectsx1
    Free tools iconfree tools
    $309.00
    $346.00-11%
    Estimated ship date: November 2025
    exclusive
    Butter Bot Extra Crazy Modules
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    Butter Bot Extra Crazy Modules

    Get 6 modules for crazy experiments & extra electronic components for constructing circuits

    $39.00
    Estimated ship date: November 2025
    exclusive
    Butter Bot Work Mat
    29 left

    Butter Bot Work Mat

    Get Rick and Morty™️ limited-edition silicone work mat (12.52' x 8.98')

    $39.00
    Estimated ship date: November 2025
    exclusive
    Butter Bot Extra Components
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    Butter Bot Extra Components

    Colorful button caps for the controller & extra set of caterpillar tracks

    $30.00
    Estimated ship date: November 2025

    Beep Boops are here! Get yours before they sell out!

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FREE WORLDWIDE SHIPPING

For orders over $96

LIFETIME SUPPORT

Reach out if you need help with your build

MADE IN EU

Designed & produced in EU by tech experts

SECURE PAYMENT

100% safe - PayPal, debit, or credit card

GLOBALLY RECOGNIZED

Over 100.000 STEM kits sold

Over 100,000 kits sold worldwide. 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.

RC Bundle

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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.

Music Bundle

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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.

NASA Artemis Watch

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Image for Retro Bundle review

A great experience with my son

My son and I have assembled computers, race cars and many other things but the best experience has always come from CircuitMess. More specifically, together, we built the Chatter and Bit. And it was time well spent.

Retro Bundle

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Image for Wheelson review

One of the Most Unique Gifts for Your Significant Other

I got this as a gift for my boyfriend, who’s really into all things tech and gadgets. He loved building it, and honestly, I had fun watching him put it together. If you want to surprise your partner with something unique, this is perfect!

Wheelson

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Have questions?
Check out our FAQs!

What makes CircuitMess different is its focus on creating a truly authentic electronics experience. Instead of just snapping blocks together, you learn how technology actually works by assembling real-world devices from scratch with genuine components. The end result isn’t just an experiment; it’s a functional gadget you can actually use, like your own game console or self-driving car.This approach teaches modern skills in coding and AI in a way that’s both practical and incredibly rewarding, empowering you to move from simply using technology to understanding and creating it.

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.

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!

No, you don't need any prior experience at all. Every CircuitMess kit is designed for absolute beginners. They come with easy-to-follow, step-by-step guides that walk you through every part of the process, from assembling the electronics to writing your first lines of code. We provide everything you need to start from scratch and successfully build a functional device.

By building a CircuitMess kit, you'll develop a wide range of valuable skills. You'll gain hands-on experience with real electronic components and learn practical techniques like soldering. On the software side, you'll be introduced to the fundamentals of coding, starting with a simple block-based interface and moving on to real programming languages like Python and C++. Most importantly, you'll learn problem-solving and how complex technology works from the inside out.

The time to complete a kit varies depending on its complexity and your personal pace, but most CircuitMess kits can be assembled in a single afternoon, typically taking between two to five hours. The process is designed to be a fun and educational journey, not a race. We encourage you to take your time, enjoy the building process, and really dive into the learning materials provided.

CircuitMess kits are incredibly rewarding for adults as well as teens. They offer a fantastic way to learn a new, hands-on hobby and to finally understand the technology we use every day. For adults, building a kit is a great way to de-stress, develop practical skills like soldering and coding, and gain the satisfaction of creating a functional gadget with your own hands. It’s also a perfect bonding activity to do with children, allowing you to learn and create together.