CircuitMess Bob is a part of the Mini-Bots collection and it teaches you about electronics with an emphasis on resistors, LEDs, and oscillating circuits. When built, Bob has a distinctive flickering light effect. The kit also unlocks a unique game for Bit game console (sold separately).



Bob
Create a robot that lights up and unlock a new game for your Bit
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For orders over $96
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Over 300.000 STEM kits sold
Unlock a secret game
Bit 2.0
Bob unlocks a unique game only available on the CircuitMess Bit console. Get Bit – don’t miss out on this exclusive content!
Meet Bob

Meet Bob
Build a light-up robot
Master the basics of resistance and Ohm's Law! Building Bob is a fun way to understand these key electronics concepts. No prior knowledge needed.
Unlock a unique Bit game
Your Bob kit unlocks a unique Bit game (Bit sold separately). The robot itself functions as a game token you insert in Bit.
Learn new STEM skills
What's in the box?


LEDs
PCB
Plastic standoffs
Screwdriver
Plastic bolts
Acrylic casings
Stickers
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Have questions?
Check out our FAQs!
Bob provides practical experience with fundamental electronics concepts: resistance, Ohm's Law, and LED circuits. The build process clearly demonstrates how these elements work together.
Bob is best for ages 7 and up. It may be a robot with many electronic parts, but the instructions are intuitive and we offer plenty of resources to help children and beginners finish this project.
You don't need prior experience for this kit. We made it for beginners and it's meant to teach you the basics of electronics, robotics, and how this project interacts with Bit.
It takes around 15 minutes to assemble Bob. It's an easy build so you can play with it quickly!
To unlock the bonus game, you'll need CircuitMess game console Bit. Follow the provided instructions to unlock your game. (Bit console sold separately).
You can check our cancellation policy on this link.
We ship worldwide, so you can get a kit no matter where you are.
You get free tracked shipping on orders over $96 (€96 in the EU, to a pickup point). On orders below $96 (€96), shipping is $15, or €7 to an EU pickup point and €10 to an EU home address.
Saudi Arabia, the UAE, Qatar and Kuwait are the exception: orders there ship by express only, at $40, or $20 on orders over $96.
We ship from seven regional warehouses: in the EU, the US, Canada, Saudi Arabia, the UK, China and Australia. Your order goes out from whichever one is nearest to you. If you have any questions about import charges, please check this article.
Like all our products, Bob comes with clear instructions and a build guide. You can follow the provided resources no matter how fluent you are in electronics and robotics. For additional support, check Bob resources. If you're stuck, feel free to contact us on this link and we'll help you as soon as possible.










