littleBits Challenges:
Little Bits are electronic building blocks that allow novice users to create complex circuits. They are like a building kit for a novice inventor. There are 60 different Little Bits modules which can be snapped together magnetically in almost endless combinations to create different types of gadgets that sense their environment and respond in different ways.
The Little Bits Electronics YouTube channel is an incredible source for tutorials as well as ideas about how to use Little Bits to invent - check it out!