COMEDY (Passe Passe) BOTTLE and GLASS.
Show two empty tubes and a bottle. Cover the bottle with the right tube, then take the bottle out and put it into the left tube. Say the magic word. The bottle is in the other tube! Do a magic gesture, show two more bottles have been produced. Cover middle bottle with tube, magic gesture, the bottle has changed to a cup!
COMEDY (Passe Passe) BOTTLE and GLASS