Snap Circuits Snaptricity Learn how electricity and magnetism can be used to make each other learn about magnetic fields how the electricity in your home works how switches control the electricity to the lights in your home and how series and parallel circuits affect electricity. Features: Educational toy with projects that relate to electricity in the home and magnetism and how it is used. Includes: meter electromagnet motor lamps switches fan compass and electrodes. Build over 75 projects. Contains over 40 parts. Requires 3 "AA" batteries (not included) Elenco's Snap Circuits® makes learning electronics easy and fun! Just follow the colorful pictures in our manual and build exciting projects such as FM radios digital voice recorders AM radios burglar alarms doorbells and much more!