Lots of other cool stuff here from Limor Fried, geeky girl MIT engineer:
[url=http://www.adafruit.com/products/482]Waterproof Metal On/Off Switch with Green LED Ring [16mm Green On/Off] ID: 482 - $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits[/url]
[img]http://farm8.staticflickr.com/7193/6891182591_457d1edf62.jpg[/img]
