DIY Hand-Cranked Generator Power Light Lamp
Description:
Name: DIY Hand-Cranked Generator Power Light
TYpe: DIY toys
Age: >10 year-old
Weight: 65g
Features:
-Shake the hand turn, the generator drives, current will lights the emitting diodes.
-You can see the mechanical energy converted to electrical energy and finally converted to light energy.
Package Include:
1x Hand-Cranked Generator Power Light
