Hopping Half, 20/5 cents

Two coins are shown, 20 cents and 5 cents. The magician takes the 5 cents and puts them in his pocket. When he opens his hand both coins are in his pocket. Then he takes the 20 cents and puts them in his pocket. When he opens his hand down again two coins in his hand. He repeats it again with the 5 cents and again there are two coins in his hand. Finally he takes the 20 cents coin stops away, and when he opens his hand is empty!

The world-famous two-coin trick.