Ball pit

They are sometimes found at nurseries, carnivals, amusement parks, fun centers, fast-food restaurants, and large video arcades, frequently incorporated into larger play structures such as mazes, slides and jungle gyms.

[2][better source needed] Generally, ball pits are considered safe and enjoyable for children who are at least 10 months old and able to sit up and move independently.

[1] Eric McMillan is credited with creating the first ball pit in 1976 at SeaWorld Captain Kids World in San Diego, US as a result of his experience at Ontario Place in Canada.

[4] Beginning in the late 1990s, a number of urban legends arose about children being severely injured or killed in ball pit encounters with vipers[5] or hypodermic needles.

[8][9] In 2014, a YouTube vlogger under the name Roman Atwood made a video of transforming the living room of his home into a massive ball pit, intended as a prank for his girlfriend who had returned from a trip.