Zombie man hides behind rotted hole in ceiling, then his torso leans forward and down thru hole with arm grabbing and flailing while screaming. *** Comes with Character, Pneumatics, Programed controller and Motion sensor. PLUG & PLAY! *** Ceiling wall unit mounts on top of your maze walls. Panel is 48″wide x 90″ long. *** Ceiling height needed above ceiling panel is 24″.