Thunderbolt 3000 Express Children's Kid's Friction Toy Truck Ready To Run w/ 4 Toy Cars, No Batteries Required (Colors May Vary) Thunderbolt 3000 Express Children's Kid's Friction Toy Truck Comes with 4 Toy Cars, Removable Rear Trailer Rear Trailer Door Folds Down to Use as Ramp No Batteries Required, Friction Powered, Just Push and Watch it Keep Rolling Approx. Length: 17.5"