A styrofoam tombstone is about the simplest prop you can make for your haunt assuming you don’t make it overly intricate, but sometimes even the simplest of props can take on a whole new life by adding a motor. Just ask Christoper, of Chris’ Crypt who has a really simple tutorial on how to turn your Styrofoam tombstone into a rocking tombstone. You’ll need to build a wooden base to hold the tombstone on one end (pivot point) and the motor on the opposite side. When you connect the cam to the tombstone the slow rotation of the motor will get your tombstone rocking back and forth. Items needed to complete this include: Styrofoam tombstone Motor Wood for base 1/2″ piece...