littleBits are like Legos for circuit boards

Here's a fun, not-completely-original, but still-pretty-neat idea: littleBits. Tiny, pre-assembled circuit boards that create a library of mix-and-match electronic components for building that next amazing wonder widget. Oh, and they're open source. The "blocks" snap together via magnets, and there's an ever-growing selection of modules to choose from. The project is still in its infancy, but we'r