Here come the Mini Mario Karts. 2.4 GHz Full Function RC Kart with 3.7V - 40mAh LiPo battery and USB charging cable. 2 AAA/LR03 batteries for the controller are also included. The controller is also for storage and has a clip for carrying on the belt. The 7.5 cm long vehicle reaches a speed of 5 km/h. The charging time is approx. 20 minutes and one charge is enough for up to 7 minutes of driving pleasure.