Simple LED's embedded within the RIM of the wheel, that use a form of kinetic energy harnessed from the rotation of the wheel. They glow in perfect cicles when you're driving. A strip of them could alternate between ON and OFF and move up and down - a spiral twist of red and orange will be burnt into innocent pedestrians retina's.-- Trodden, Jan 10 2003 (???) Like these? http://www.strangea..._Dust_Caps_274.html [silverstormer, Oct 04 2004] Eeeeeeeeeeeeew!-- FloridaManatee, Jan 10 2003 Yeah, I saw these and they suck. Road distraction.-- AfroAssault, Jan 12 2003 random, halfbakery