MY ROBOTIC PET — TUMBLING HEDGEHOG

Build a working hedgehog robot with this 172-piece kit, then control it by clapping. Watch it tumble, roll, spin, bristle its spines, and scurry. Learn about gears, motors, sound sensors, LEDs, and more. Build a working hedgehog robot with this 172-piece kit, then control it by clapping. Watch it tumble, roll, spin, bristle its spines, and scurry. Learn about gears, motors, sound sensors, LEDs, and more.