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double board the Cup:Rubbed the two plates can change the six cups, the classic magic. Product quality excellent, easy to use.
the magician shows two pieces of board space without anything, as long as the cross with two pieces of board action is very natural that gently pull off, since the change out of a cup, two audiences must think how empty the board may become out of such a big cup it? More surprising is that since you can change out of six consecutive cup, definitely in the classic stage