LED Throwies are an open source graffiti technology developed at the Graffiti Research Lab, a division of the Eyebeam OpenLab.
If you’d like to create you’re own LED Throwies, you can get more info on the instructable page, or watch this YouTube video.
I’ve already made some budget research on eBay:
- Pack of 50 multicolor LEDs: 16$ – 9$ + 7$ shipping from China – Search for « 10mm diffused led«
- Pack of 25 CR2032 batteries: 7€ – 2€ + 5€ shipping from Honk Kong – Search for « CR2032«
- Pack of 50 magnets: 12.74$ – 7.99$ + 4.75$ shipping – Search for Neodymium Magnets 1/4 inch Disc N48 Rare Earth
Another place to buy packs of LED Throwies from China at hebeiltd.com.cn