MakeyMakey

MakeyMakey is an awesome piece of kit that allows you to turn anything into anything. Unfortunately it is not available to buy yet but it will be available soon. You simply connect a wire to an ordinary object, plug it into your computer and tap what you have connected the wire to. For example, I make some letters of the alphabet out of plasticine, then connect a wire and tap away. So on the computer in any application/program that requires a keyboard or those certain letters you just tap the plasticine. Here's a demo video: