Life-Like NASCAR 4 Lane Challenge Electric Slot Car Race Set Two detailed official licensed NASCAR fast tracker cars featuring drivers: Matt Kenseth and Denny Hamlin 8.5&#8217; bi-level configuration of Dura lock track including dual lane lap counter Heavy duty traction magnets ensure that your racer will cling to the road Clocked at nearly 1000 scale M.P.H Easy assembly Dura lock patented side-locking track system stays secure