littleBits Shoes - Hook & Loop Shoes with hook & loop allow you to easily attach your littleBits modules (required) to the provided hook & loop strip You can cut the strip to any size you like; [adhesive on the strip is one-time use only] The Shoes also help to keep your littleBits circuit firmly connected LittleBits modules are a system of electronic modules that snap together with magnets LittleBits modules allow you to experiment with light, sound, sensing and buttons without wiring, soldering or programming