Forum Novelties E Lagance Electric Cheap Shock Pen Prank E, Black Brand New and High Quality Electric Shock Pen Cheap shock pen harmless prank. Looks like a fancy ball point pen that will give your friends a shocking experience when they try to use it. Offer it to your friends to use and after they push the button at the top of the pen, they will get a quick and harmless electric shock that will make them scream and jump with surprise. Powered by 4 x LR41 battery.(Included)