"Pneumatic coffin prop made using the frightprops pneumatic heavy lifter, 5 way air control valve, picaboo 8 for audio and on/off relay on control valves and lights, 4 channel remote (only one channel used for this prop), 3/4 inch plywood for coffin, 2 1/2 x 1 1/2 beam for body up right, female pvc torso, pvc tubing for arms, pens for hands and mask latex, female dress, and a female prop head" - snakeeyes037