Description
CircuitMess STEM Adventure – Bit
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DIY line-following robot car that teaches kids how infrared sensors detect and follow paths
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Equipped with motors, wheels, and a microcontroller for autonomous navigation ⚡
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Follows black lines on custom tracks or simple mazes, introducing robotic logic and decision-making
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No soldering required — designed for beginners with a full step-by-step visual assembly guide
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Powered by 3 AAA batteries (not included); supports USB debugging for extra programming fun
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Build time: 1–2 hours, making it a quick, rewarding project for curious makers
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Recommended for ages 9+, with adult support encouraged for first-time builders
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What’s in the box: printed circuit board (PCB) with microcontroller, infrared sensors, 2 motors, wheels, chassis/body parts, screws and spacers, USB cable, screwdriver, instruction booklet, and collectible card
Bit is a hands-on introduction to robotics — kids don’t just play with a robot, they build and understand it. From watching it follow tracks to designing their own mazes, Bit sparks problem-solving, curiosity, and confidence in STEM learning. 🤖
As Seen on The Late Late Toy Show






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