small AC generator 230 V using a single neodymium sphere, a coil without core from a 230 V syncronous motor ( A4 laminators or microwaves turntable motor), a 3 V DC motor (inside electric car toys), and a battery used to light led bulbs 230 V 3 W - 9 W Materials and operations 1. 3V Dc motor – i... By: sciencetoolbar