4M Green Science Eco-tech Bulb Details
A light bulb you can make and then power yourself…
- Learn about how electricity is generated and see your results in the light bulb
Power up this ingenious overhead lamp with gravity to light up your surroundings. You can also bring it with you and crank the handle to create a dynamo torch.
Whats in the box:
- Contains 1 set plastic parts, 1m rope, 7 screws, 1 set of foam strip and detailed instructions.
Also required but not included in this kit: a small cross head screw and plastic bottle.