About This Item: Auto World's 4GEAR extended wheelbase and narrowed rear end fitted with gigantic dragster-inspired wheels make it perfect for an entire line-up of NHRA top fuel dragsters! All vehicles feature Auto World's extended top fuel body to bring slot car racing to a whole new level of excitement. Flip the chassis over and you'll find two neodymium traction magnets to make these dynamic racers grip the track for super high speed drag racing thrills!