* Product feature: It is a challengeable game. Select one of the boxes with money of us$0.01 to us$1,000,000, and judge the value of the box in your hand by the way of the money in the box continuously opened and sell it to a mysterious buyer at an... - Update: 2008-05-19

*Training your brain with number combination, *Good for children's illuminative study *Fashionable design with good quality - Update: 2008-05-19