An impossible & baffling revelation! A professional level effect performed by top pros!
 
A spectator randomly selects a jigsaw puzzle piece from a loose pile of  pieces. The magician draws attention to a cloth that covers a completed  puzzle on the table. He removes the cloth and shows that one piece of  that puzzle is missing. Incredibly, the single puzzle piece the  spectator selected is exactly the correct piece needed to complete the  puzzle!
 
This famous magic effect has been performed by many top professional  magicians. This easy method brings the identical effect within your  grasp, so you can delight and baffle your own audiences.