LED Throwies Graffiti

LED Throwies Graffiti
xerohour
3 min 1 sec – Mar 6, 2006

LED Throwies are an inexpensive way to add color to any ferromagnetic surface in your neighborhood. A Throwie consists of a lithium battery, a 10mm diffused LED and a rare-earth magnet taped together. Throw it up high and in quantity to impress your friends and city officials.

http://www.instructables.com/ex/i/7DBB34EAEDFF1028A1FC001143E7E506/

Original post by xerohour