littleBits

littleBits is a platform of easy-to-use electronic building blocks that empower you to invent anything, from your own remote controlled car, to a smart home device. Like LEGO for electronics, the Bits snap together with magnets—no soldering, no wiring, no programming needed.

The library has over 60 modules and growing. Every module works with every other in millions of combinations, you'll never run out of things to make. Grow your library and expand your creative possibilities! Suitable for tinkerers age 8 to infinity.