Dan Herbert's

Hack-a-day has an video of an awesome little gizmo you can build yourself that creates music (or noise depending on how you look at it) using lights. It’s a really neat little toy.

Personally, I’ve never been really into DIY electronics, but this thing is just really cool.

The ThingamaKIT is here! from Dr. Bleep on Vimeo.

If you’re curious, you can find out more on the Thing-a-ma-Kit from the Bleep Labs website: http://bleeplabs.com/thingamakit/