Full information at amasci.com main project website . Build this DIY ultra-simple AC electric generator from magnets, wire, and cardboard. (And a big nail!) Light a small lightbulb, or flash a red LED. This simple project demonstrates how electric generators work. All you need is a stack of strong ceramic magnets and a coil of very thin wire. See the website for complete parts list. Also see the FAQ at amasci.com Now if you want a more useful device, instead use a small DC motor as a generator, since it has much better magnetics design. All motors are generators. Figure out how to spin a motor’s shaft, and you can make a small powerful generator. See my links page for many other generator projects. Also... figure out how to convert the cardboard generator into a motor! . Lots more stuff at SCIENCE HOBBYIST amasci.com . Note: trolls/spammers blocked immediately, zero tolerance