EDC Publishing: Tiny Circuits

$29.99
The tiny-but-mighty mini-microprocessor module has all the computing power you need to build 20 electrifying projects. Plug wires into ports to build serial and parallel circuits, create music, and test materials for electrical conductance. Wire up electronic dice, a magic message wand, and a doorbell. Play 1- and 2-person games, such as Trap It, Drag Race, and Fart-Sound Frenzy!