You need:

2 cables with crocodile clips at the end
1 microammeter  more info
1 small motor
fun (you can create it from cardboard)

The metal "box" is known as motor, but in the experiment is used as a generator. Inside the motor is a coil, which rotates inside a magnetic field. When the "fan" is moving the kinetic energy derived from our hand, is converted initially to kinetic energy on the coil and then into electrical energy.more info

With similar way operate all electro generators

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Video size: 3,9MB
Duration: 0:36 min
© 2003, Despina M. Garyfallidou Athens-Greece