A zorb is a big plastic (blowup) ball, with spase inside it. There is a hole on it, where you climb in.
There are three types of zorbing.
1.type
You are straped to the wall inside.(sometimes they do this type with two people, In front of each other)
2.type
You are running in the ball, down the hill.
3.type
The zorb is in the water, "you can walk on water"
