The magician shows a black card and four red cards. He shows the face of each card, he squares them and gives the packet a light flick. When the cards are fanned, there are only four and they are all red; the black card has vanished.
He repeats the same actions again and again.
For the finale, he takes away the black card and places it in the pocket.
The card in the left hand is turned over: It is the black one!