Can you make a pencil mark that has been placed on a cube of sugar pass mysteriously through water and onto the hand?

On any one side of the cube of sugar draw a heart, a number, or a cross with heavy strokes.

 Pick up the cube and press your thumb firmly against the drawing. The mark will come off the sugar and show on your thumb. (As this is the secret of the trick, do it quickly so it will not be noticed.)

Drop cube in glass of water.

Pick up your friend's hand and quickly press your thumb firmly against the palm of his hand as you are drawing his hand toward the glass.

Place his hand over the glass of water and tell him to keep it down firmly.
Hit the glass a sharp tap with the pencil, saying, "I am now releasing the vibrations."

Then tell your friend to look at his hand. He will see the mark and will think it came through the water onto his hand!
 
Materials: Soft lead pencil, cube of sugar, three-quarters of a glass of water.

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