IQ Ball Cube is a plastic ball puzzle toy with 11 smaller multicolored balls inside and 12 holes, 11 of which are marked with a color that matches the smaller balls. The task is to place each small ball in a place that corresponds to the color. This game resembles "tag" game, because of a free hole through which you can move other balls inside the ball. IQ Ball Cube is comfortable to hold in one hand, its diameter is 8 cm.