MaxTraxxx is Krazy Kar's hot, new, Glow-in-the-Dark, 1/64 scale, standard race system. Side by side, easy launch racing is engineered directly into the design with built in starting gates and expandable racing lanes. Race multiple friends at once! MaxTraxxx interlocking groove structure expands to meet your racing requirements. 16 feet of Glow-in-the-Dark track and 2 Light Up Marble Racers are also included in every MaxTraxxx starter set.