The Zorb ball is a double layer ball, the outer ball is about 3.0 m diameter and the inner ball is about 2.0m diameter. The two balls are connected with many nylon bars and full with air. In the ball there are equipped with the safety belt, the goods bag and the shoes bag and so on. One or two persons can play at same time. The players will be fixed in the inner ball and it is safe and comfortable. It needs a flat ground with grass on the surface. If with a light slope, it will be better. The ground of the ball can be artificial or crude with an angle of 30 degree. When the ball scrolls from the top, the players will circumgyrate in 360 degree. It is very exciting and interesting.
