A ball is an object that is usually round and spherical in shape. They are often used for recreational activities. There are a wide variety of types of balls used for various games, such as baseball, football, tennis, ping pong and others.
When Batman and Robin were battling a giant plant that was entangling the Gotham City Museum, they employed a mind over matter tactic, so as to make the creature use it's own superior strength against itself. By the time they were done the plant was tangled in the shape of a giant ball.
- Paddle ball
- Ping pong