Puzzle Toy Multi-track Building Blocks Roller Coaster Kids Toys Racing Vehicle Rail CarStrong Material and Scratch Resistance Non toxic ABS plastic and a glossy exterior, it can hold up well through lots of crashes. The wheels ensure maximal friction between the tires and the track, allowing the device to climb and circle freely along the track without falling off Fun to Play Powerful Horsepower, Uneven Anti skid Tires, Smooth Navigation Through Various Challenging Track Designs, Unobstructed Travel Without Falling Off. Round edges to