|
Turn a simple toy motor to become a generator which converts hand motion to electric energy and powers a light bulb. No Batttery, no pollution, just amazement. The generator could be used as an awesome emergency torch. Children's Green Science Dynamo Torch Science Activity Kit. No Batteries? No problem! Build your own hand-operated generator and learn how hand-motion is transfered into electrical energy, with the ability to power a light bulb. Kit includes plastic casing, LED light bulb, motor, gears and detailed instructions. Not for children under 3
|