Life Like NASCAR 4 Lane Thunder 4 Player Electric Slot Car Race Set Four Detailed official licensed NASCAR fast tracker cars featuring Kasey Kahne, Matt Kenseth, Carl Edwards and Tony Stewart 45 bi-level course with two dizzying 360 degree loops 3.5 high velocity straight-away Heavy duty traction magnets ensure that your racer will cling to the road Easy assembly Dura lock patented side-locking track system stays secure