Magical Chocolate by Tenyo Magic
The magician displays a chocolate bar wrapper, and from within removes four cards printed with chocolate bars. Each card contains a different flavor: bitter chocolate, sweet chocolate, white chocolate, and strawberry chocolate.
After displaying each of the four cards individually, the magician invites the participant to select one and remember it. All four cards are inserted into the wrapper, and the magician tells the participant to concentrate on the selected chocolate.
Suddenly a small torn corner of chocolate falls from the wrapper onto the table! When the four cards are removed from the wrapper, it is seen that the participant's selected chocolate is missing a corner! The small piece of chocolate matches the missing corner perfectly.