Dimension specifications：8.8cmx6.3cm

Material：Ordinary card

Weight：8g

 Themagician first to show the audience a few cards ( for example 4 ) in only one the pattern, then put the card back on the table in turn, then remove the closure in the hands of a positive thief,  the color of the thief cards also change, and then opened by thieves the other cards turned into different colors of digital 9！