Your junior scientist will love this Snap Circuits Snaptricity Kit from Elenco. Your child can build over 75 projects using the colorful Snap Circuits parts that come with this kit. No soldering is required, and the parts snap together with ease. Your child can 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. The kit comes with an easy-to-read illustrated manual; it requires 3 AA batteries, sold separately.