Safe, Solderless, Educational, and Fun! Easy-to-read, Illustrated, Lab-Style Manual Included. Discover how an electric bell is constructed and how it’s made to ring. Build your own operating motor - It’s easy, it’s fun, it’s Safe! Find out how a generator makes the electricity that makes things work. Meter measures the amount of electricity used in your experiments. Just a Few of the Many Exciting Experiments : Controlling motor’s forward/reverse rotation with generator, Fan using motor and generator, Electromagnet and reverse polarity, Operating the electric bell with generator, Color mixing with rotating color disc.