A ball pit is a pit, usually rectangular and padded, filled with small colorful hollow plastic balls. It is typically employed as a recreation and exercise for small children. Ball pits are often found at nurseries, carnivals, amusement parks, fun centers, fast-food restaurants, and large video arcades. Ball pits may be rented for parties, and smaller versions are sold for use in the home. Manufactured with Phthalate Free; Lead Free, non-PVC, 100% LDPE Plastic Materials in 5 Bright Colors: Red, Yellow, Orange, Blue and Green. Meet all outstanding Child Safety Standards.