Self-made Device For Experimental Model Of Hand-cranked Generator

$0.99

Describe: Rotating the mechanical arm, through the pulley, the big wheel with the small wheel, and the small wheel with the big wheel, to generate more power to generate current. Working principle: The kinetic energy is converted into electric energy generated by the movement of the magnetic induction line of the motor, which is transmitted to the lamp, so as to realize the light of the bulb! Product information: Specification: 8 10 11cm Material: Wooden Can DIY: Yes Ability development: use your hands and brains 3C configuration category: wooden toys under 14 years old Packing list: Hand generator*1 Product Image