Meet the littleBits Electronics Gizmos & Gadgets Kit: an educational kit designed to teach your children a thing or two about the world of electronics. It comes with 15 modules and 10 accessories as well instructions for 12 projects. The kit can be used to build a MegaBlaster, BubbleBot, Wireless Doorbell, Spy Box, and other fun inventions.
The kit comes with everything you need to start mixing and completing custom projects. You can get yours for under $200.