Turn a simple toy motor into a generator that converts hand motion into electrical energy and powers a light bulb. No battery, no pollution, just amazement. The generator could be used as an awesome emergency torch. Caution: High voltage inspiration!
6/Inner 48/Master 8.6Kg 4.6Cuft
Item Size : 17cm x 22cm x 6cm
4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more.