Lights and various sound effects  Inertia friction powered driving motor  Tailgate can be opened to view inside the back  Garbage bins can be connected to the tail and raised by turning a knob to simulate dumping the garbage into the truck  Trailer can be raised by pressing the pump action key on top of the truck to simulate tipping offload (pump function)  Trailer can be lowered by pushing down on the bottom orange lever on the side of the trailer   Battery specifications: Truck: 3x AG13 batteries (included)