A regular nickel and penny are shown, the penny is placed under the nickel and then dropped in the spectators hand...The penny has now shrunk down to only a tiny 3 1/6" size and the nickel is freely handled and shown. (It locks)
Open the nickel & penny by shaking in glass.
NOTE: Lacks Instructions (you can do it with out instructions. Start with the small penny under the large one. The regular penny locks into the nickel and the nickel can be shown both sides...Ta da!