Dr. Teeth is our 150g all plastic robot kit.  Dr.Teeth is sold and donated in a redy to assemble extreamly low cost kit.  It features a 3ch reciver / esc combonation board that can handle 5 to 15v and up to 5 amps.  Drive is handled by two N20 gear box motors drvin to 500rpm.  Powerd by a 2s 300mah LiPo.  Every kit includes everything you need to get started, even the transmiter and battery charger.