Wooden Hand Cranked Generator, Science Kit Manual Generator Toy, Physics Experiment Puzzle Light Bulb, Science Experiments for Kids Age 6-14

• Feature: The finished size is 15*12*8.5cm. Package includes a DIY Wooden Hand Cranked Generator. This is an interesting DIY experimental toy that can cultivate children's interest in physics and science, and can also help children improve their hands • Principle Description: The Wooden Hand Cranked Generator is made of electric shock, gear, wood board, circuit board, screw, bushing and other materials. • When the handle is shaken quickly, the large pulley rotates, and the small pulley on the electric shock shaft is driven by the belt to rotate, the motor rotates at a high speed to generate direct current. • and the current is output to the light bulb through the circuit board for voltage regulation, so as to light the light bulb. • High Quality: It is made of high-quality wood and electronic components material, and it is log color, you can use your imagination, graffiti freely, and create a toy that belongs to you.