Gravity Light

I designed this gravity light using a motor from an old microwave oven.
This light will provide enough light to read with for about 5 to 10 minutes depending on the height that the generator is mounted above the floor, the weight used and the individual characteristics of the motor.

An estimated 16 percent of the world's population — 1.2 billion people — have little or no access to electricity:

https://mashable.com/2017/09/15/one-billion-people-dont-have-access-to-electricity/

This is designed as a school project, the skills/knowledge to be gained include:
3D printing
Pulleys
Electricity
Light
Soldering
Tying knots (fishing & others)
Social Science & 3rd world awareness

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PERFORMANCE:
Performance varies depending on many things, so using the best of 5 motors that I had tested I measured the performance - using an LX Meter App on my phone, and with the reflector 12 inches (300mm) above the meter and the generator 10ft (3m) above the ground:

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