The CAT Big Builder Shaking Machine Excavator is ready for action with push button lights & sounds. Fire up the ignition and freewheel forward and reverse with real CAT rumblin" action. Move the lever to trigger the boom arm to move up and down. Press the circle button for fun music. The arrow buttons triggers realistic foward and reverse driving sounds. Trigger fun construction vocal phrases with the square button. With the CAT Big Builder Shaking Machine Excavator youre ready for construction action! * Requires 2 "AA" batteries. * Ages 3 years and up.