The 1:16 Peterbilt Model 367 features lights and sounds, opening doors and adjustable mirrors. the lowboy features slide out side riggers, removable hitch, and drop down ramps for ease in loading and unloading the 7430 tractor -- included in the set. The tractor features lights and sounds, cab access for steering and removable duals. A great gift set for kids as well as collectors. Set requires 6 (AAA) batteries which are included.