i know about the leds thing but i know a nother thing got to
http://www.zipzaps.com/zzTips.asp because they have stuff thats realy cool ! like ! a RAMP OUT OF A BOX! but i did that one thing use a powerful moter like 2.6 moter or if ur a zip zaps fan use a turbo or nitro moter becauce the perfomace moter wont make it up but half way or something but i used a diffent box so im not realy sure!