1. Grab the back of your neck with your left hand.

2. Tell your friends that you are going to make a coin disappear by rubbing it on your elbow.

3. Take a coin in your right hand and rub it on your left elbow. Remove your hand and let the coin drop to the floor.

4. Tell your friends that the trick didn't work, and you need to try it again.

5. Pick up the coin in your left hand and pretend to put it in your right hand.

6. Put your left hand back behind your neck. Start rubbing your left elbow again and keep the coin concealed in your left hand.

7. Drop the coin down your shirt (make sure it's tucked in!)

8. Stop rubbing and remove your hand to show your friends that the coin has vanished!