Question

Under the guidance of your teachers, and make a free generator

Answer 1

AC electric generator which lights up light bulb.  

Generator is made from hollow-ended cardboard box with a nail through center of the box.  

Box has many turns of varnished thin copper wire wrap around with four magnets clamped around the nail.  

When nail and magnets are spinned fast by hand little light bulb lights up slightly.

Here use of strong magnets and many fine wire and special light bulb which needs 1/2 volt.  

Make a "commutator" and hook wires directly to bulb.  

It's a very easy but the generator will produce AC