Kids Weijie Toy Friction Powered Transport Hauler Truck with 3 Mini Monster Trucks SetRev up the excitement with the Weijie Toy Transport Hauler and Monster Truck Set! This action packed vehicle combo features a massive red semi truck hauler alongside three colorful, big wheeled mini monster trucks. Engineered with high quality friction power (inertia drive), a simple push sends these vehicles racing across the floor, providing endless high speed racing fun without needing any batteries. Whether they are loading up the main trailer for