Back to the Future Electric Slot Car Race Set Who out there doesn't long to take just one gigawatt blasting' spin in the awesome Back to the Future Time Machine? With this Back to the Future Electric Slot Car Race Set, you can relive all of the g-force excitement of time travel. Race around the huge 20-foot track with Marty McFly's DeLorean Time Machine and Biff Tannen's 1946 Ford in one of the 2 exclusive X-Traction slot cars included in this set. Great Scott a race-set this exciting could only be invented by those mad scientists at Auto World! The 20 feet of track features multiple curves and a time loop. Clock Tower cardboard building and road signs included.