This is an add-on for My Big Truck and is Tautliner trailer, the wheels turn and rear doors and Locking bars are posable. The side curtains can be opened or hidden and solid side props added. The Set also includes 11 Mat Pose paint jobs for trailer, 4 to match the original My Big Trucks cab paints and 5 with a variety of logos and 2 new Colors for the Big Truck.