The cars will move by themselves along the ramp and they can even advanced up along the strap. It also come with an helicopter which his turning around just like an actual race track. Lets your imagination run. Playset comes complete with sound and music, car loading area, 4 cars and 1 helicopter. Assembly will not taken more than 1 minute and it requires 2 "AA" battery(Battery is not included). A bit further information 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.