CircuitMess Harald is a DIY kit from the Wacky Robots collection that lets you build your own Viking-themed Bluetooth speaker robot. You'll learn about electronics, sound, and wireless technology as you assemble it. Plus, you'll unlock a bonus game for the CircuitMess Bit console (sold separately).
Harald
Build your own Bluetooth speaker and unlock a new Bit game
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Wacky Adventure Bundle
Build a self-driving car, a game console, a virtual pet, a Bluetooth speaker, and more! This bundle includes our retro console Bit, and six big Wacky Robots. Learn all about electronics and unlock a secret game with each robot!
$329.00
$445.00
Meet Harald
Meet Harald
Build your own bluetooth speaker robot
Combine your love of music and robots with Harald! This DIY kit lets you build a unique Bluetooth speaker robot.
Learn the science of sound
Master the ins and outs of sound, understand speaker design, and learn about sound waves – all by building your own robot.
Connect & play via Bluetooth
Harald connects to your phone, tablet, or computer. Stream your favorite music wirelessly!
Unlock a new game on Bit
The fun continues on your Bit console! Assembling Harald unlocks an exclusive game for your CircuitMess Bit (sold separately).
Learn new STEM skills
What's in the box?
1
Speaker
2
Battery holder
3
Spacers & screws
4
PCB
5
Rubber feet
6
LEDs
7
Game token
8
Screwdriver & USB-C cable
9
Stickers
10
Acrylic casings
Have questions?
Check out our FAQs!
Building Harald isn't just about following instructions; it's about understanding how sound works. You'll learn about speaker components, the principles of Bluetooth communication, and the science of sound waves – all in a practical, hands-on way.
Harald is best suited for ages 7 and up. The build process provides a hands-on learning experience in electronics and sound technology, which is ideal for this age group.
Harald is a great way to get started with electronics – no previous experience needed. The kit is designed to be a fun and educational build, with clear instructions provided.
Building Harald typically takes about an hour. That's the assembly time for your Viking-themed Bluetooth speaker robot. Once it's built, you can connect your device and enjoy your music!
To unlock the bonus game, find the token included in your Harald kit. Follow the provided instructions to unlock your game. (Bit console sold separately).
You can check our cancellation policy on this link.
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 $96. For orders below $96 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 $96. For orders below $96 shipping fee starts at $8.
Like all our products, Harald 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 Harald resources. If you're stuck, feel free to contact us on this link and we'll help you as soon as possible.
