The toy is a giant billiard ball filled with blue liquid and a clear window that looks in on a shape, which floats in the liquid, with 20 sides.

• 这种玩具是个巨大的撞球,里面装满了蓝色的液体,还有一个清楚的窗口,通过该窗口可以看到一个漂浮在液体中的20面体。