The PredictionThe Prediction Inspired by the Magic of Harry Houdini This effect even fools many magicians. The Prediction Kit includes special medallions and magical props that work with any deck of playing cards to astound your spectators with a mind boggling prediction trick including a BONUS impromptu version, all brought to you by Rob Stiff. Two cards are randomly selected by a spectator, who freely chooses to place a circle medallion on one card and a square