Artists Wendy Marvel and Mark Arnon Rosen create mechanical flip books. “Did you ever draw in the corners of a book to create an image that animated as you “flipped” through the pages? Or been to a penny arcade and hand cranked a machine to watch a movie thru a small opening?” Instead of a crank on the side, there’s a tiny motor that rotates the spindle and flexible cards flip by giving the illusion of moving pictures. Then they connect several boxes together and coax the flipping images to tell a little story in a scene that travels from box to box