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The Challenge: Generate electricity

Making Your Own Generator

What you'll need:

  • cardboard
  • 15cm (6 in.) long iron nail with a 6mm (1/4 in.) diameter and a large head
  • 8-10cm (3-4 in.) long bolt with a 6mm (1/4 in.) diameter, and nut
  • 25m (82 ft.) enamelled copper wire (30 swg or approx. 0.3mm diameter)*
  • button magnet (with mounting hole)*
  • 6V, 0.06A flashlight bulb and socket*
  • a roll of insulating tape*
  • a hand drill
* Obtainable from home centers or electronics stores.

making your own generator
a simple generator