New Snap Circuit Kits™ make learning electronics a "snap". Just follow the colorful pictures in the manual and build over 300 projects, such as AM radios, burglar alarms, flashlights, doorbells, and much more. You can even play electronic games with your friends! Contains over 60 parts that are mounted on plastic modules and snap together with ease. Enjoy hours of educational fun while learning about electronics. No tools are required. Uses 4 "AA" batteries.