Little Bits is basically a library that is open source and is full of modules that are electronic. They connect together by snapping with small magnets for both play and for prototyping. There are little circuit boards that have functions made to snap them together using magnets. Every bit has its own function. Functions include sound, sensors, light, pulse, thresholds, motors, and buttons. This gadget helps you create using high-tech electronics by just snapping together the tiny magnets.