Gatekeeper | Craig Pettyh Flasche durch Tisch Pour some water into the

Pour some water into the can from a large jug

wires or tape

the back of that card then changes color and finally the rest of the cards turn blank

Somehow all the cards have shrunk to mini size (half as big)

Gatekeeper | Craig Pettyh Flasche durch Tisch Pour some water into theYou introduce a brass key and a coin. You then tell your audience that you will give them $100 if they can push the coin through the hole in the key. After the audience tries and realizes it's impossible, the magician offers to show them how. With just a rub, the hole in the key magically stretches ten times in size to become a coin sized slot. The magician can then easily drop the coin through the key before shrinking the hole to its normal size.