Back Marker -C016 -RM16.00
The magician held some cards in his hand. And he counted them to audience. They are four cards with red card back. Then he counted the cards again, but they were face up now. In the end four cards were face up. Then he turned back to card back. What happened? All the red card back changed to blue card back. Moreover four different pips were printed on the card back.
Complete with bicycle cards and instruction.