The cars will move by themselves along the ramp and they can even advance up along the strap. It also come with a helicopter which flies around the race track. Let your imagination run! Playset comes complete with sound and music, car loading area, 4 cars and 1 helicopter. Simple adult assembly required. Requires 2 "AA" batteries (not included). It is extreme stimulation action It has musical sounds. It has a flip-action ramp. It has a control speed. It includes four racing cars, and a helicopter.