A PVC Air Cannon Is Perfect for Scaring Trick or Treaters

You could make crazy DIY Halloween decorations to scare the creeps out of trick or treaters in your neighborhood. You could dress up drones as flying ghosts or ghoulish goblins to strike fear into child-sized candy beggars. You could be the cranky old man who turns his light off and seeps scare by ignoring costume… » 10/28/13 7:45pm 10/28/13 7:45pm