This product is made from fine steel of paint, Paint Falling off is not easy, smooth, white into black spots, black with two white spots. (Middle distance, stage use) magician took out a card, printed above four points, reverse license back, to see that, and then reversed, see six (previously four), and reverse, this time to see three (was that), and finally told the audience guess how many points a license back, turn to look, turned out to be eight!Magician took out a card, printed above that reversed a license back, see the four points, and then reverse, just one point into three points, and reverse, this time to see six, magician to Frankly the audience, in fact, his hand to block a point, but three is really upside down Oh, the last card called the audience guessing whether it is four points back, five, or six, and reverse a look, turned out to be eight point! surgery magical, and really change the goods multiterminal ah.Can be used for interactive stage performances.