CircuitMess STEM Adventure Harald DIY Bluetooth Speaker

CircuitMess STEM Adventure – Harald 

• Beginner-friendly DIY robotics kit that introduces kids to electronics and Bluetooth technology

• Builds an interactive robot Viking Bluetooth speaker that plays music once assembled

• Teaches how components like diodes, resistors, and circuits work through hands-on application

• Connects to the CircuitMess Bit console to unlock an exclusive mini-game for added play value

• Includes step-by-step illustrated instructions so beginners can build with confidence

• Assembly time: around 1 hour, ideal as a quick and educational project

• Runs on a CR2032 button battery (included for demo use)

• Designed for children aged 7+, with adult guidance recommended for younger builders

• What’s in the box: printed circuit board (PCB), Bluetooth speaker module, LEDs, acrylic housing, screws and spacers, decorative stickers, screwdriver, instruction booklet, collectible card, CR2032 demo battery, and unlock token for the Bit console

Harald isn’t just a robot — he’s a playful Viking companion that brings music and STEM together. Kids learn real electronics while ending up with a functioning Bluetooth speaker they built themselves, gaining confidence and sparking curiosity for future projects. ⚡