Exercise ball Exercise ball An exercise ball, also known as a Swiss Ball, is a ball constructed of soft elastic with a diameter of approximately 35 to 85 centimeters (14 to 34 inches) and filled with air. The air pressure is changed by removing a valve stem and either filling with air or letting the ball deflate. It is most often used in physical therapy, athletic training and exercise. It can also be used for weight training. The ball, while often referred to as a Swiss ball, is also known by a number of different names, including balance ball, birth ball, body
Ball pit Ball pit A ball pit (originally called "ball crawl" and also known as a ball pool or ball pond) is a padded box or pool filled with small colorful hollow plastic balls generally no larger than in diameter. Instead of balls, other spherical objects can be used, such as balloons. It is typically employed as a recreation and exercise for children. Ball pits are often found at nurseries, carnivals, amusement parks, fun centers, fast-food restaurants, and large video arcades. Chuck E. Cheese's and (now defunct) Discovery Zone formerly had ball pits and they were frequently incorporated into larger play structures,