CircuitMess Hertz 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, Hertz has a distinctive flickering light effect. The kit also unlocks a unique game for Bit game console (sold separately).







Hertz
Hertz teaches sound & oscillation, and unlocks a unique Bit game
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Unlock a secret game
Bit 2.0
Hertz unlocks a unique game only available on the CircuitMess Bit console. Get Bit – don’t miss out on this exclusive content!
Meet Hertz

Meet Hertz
Learn the science of sound waves
With Hertz, you'll build a robot that helps you understand how sound waves work. Explore the physics of sound in a fun, interactive way. No prior knowledge needed.
Unlock a unique Bit game
Your Hertz 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
Stickers
Plastic bolts
Plastic standoffs
PCB
Screwdriver
Acrylic casings
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Have questions?
Check out our FAQs!
You'll learn the basic principles of sound waves and oscillation, and see how those principles apply to the electronic components you're assembling (circuit board, LEDs, battery, etc.). Plus, you'll sharpen your problem-solving and instruction-following skills.
Hertz 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 Hertz. 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, Hertz 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 Hertz resources. If you're stuck, feel free to contact us on this link and we'll help you as soon as possible.










