Feature: Speed ride in any angle and direction and freedom assembling!! 1.Oblique upwards movement. 2.Inverted movement. 3.Vertical movement. 4.Multiple revolutions. 5.Multiple valgus revolutions. 6.More track accessories can be used to build more personalized track. Specifications: Car Battery: 3.7V 90mAh battery. Charging Time: about 30 minutes. Play Time: About 12-15 minutes. Control distance: 4 meters. Battery for controller: 2 x "AAA" batteries required (not included). Packing list： 1 x 20cm plastic pipe, 6 x 12cm plastic pipe, 1 x rail, 1 x rail 20, 3 x rail 2, 5 x rail 5 ,8 x rail 5, 4 x rail 7, 6 x rail 8, 12 x L support part, 8 x rail 4, 13 x A locker buckle, 2 x 0 support part, 12 x rail 6, 2 x controller, 20 x B locker buckle, 4 x triangle support pin, 2 x race car, Important Tips: Please use this product in cooperation with the manual to avoid damage to the product.