Carrera 30188 Digital 132 GT Championship Digital Racetrack System Track length: 24.83ft. / 7.6m. Size: 9,84 x 5,91ft. / 300 x 180cm Cars: Audi R8 LMS "Audi Sport Team" #10 /Mercedes AMG GT3 #16 Contents: control unit, 2 wireless speed controllers, double switch, straights, curves and guardrails