TED: Ayah Bdeir: Building blocks that blink, beep and teach

Imagine a set of electronics as easy to play with as Legos. TED Fellow Ayah Bdeir introduces littleBits, a set of simple, interchangeable blocks that make programming as simple and important a part of creativity as snapping blocks together.  She has made the designs open-source and free for anyone to build their own.

http://www.ted.com/talks/ayah_bdeir_building_blocks_that_blink_beep_and_teach.html