Electro-piston flashlight using NO batteries or source of electricity.

Electro-piston flashlight using NO batteries or source of electricity. WHAT!!!
The electro-piston utilizes the principle that whan you move a magnet through a coil of wire it induces an electrical current. It's a somewhat straightforward project it uses a few Neodinium magnets (I've got it to work with one magnet though). The wire I got from an old transformer. 4 diodes I pulled off a circut board (it works without any but using one will make sure you don't blow your LED, and using four will m