Water ball

[3] One of the first water balls appeared in the film Diamonds Are Forever (1971) and in the music video for the Beach Boys song Getcha Back (1985).

[6] The efforts to establish standards for safe operation of waterballs began with Patty Sullivan, President and CEO of Eli Bridge Company, a company specializing in amusement park rides and ride safety, in collaboration with ASTM, Standardization News, Walking on Water, Made Easier, Safety Consumer Products, ISSUE MONTH January/February ISSUE YEAR 2015.

There are recorded instances of children fainting and crashing onto hard surfaces while inside the balls, and the U.S. Consumer Product Safety Commission has encouraged amusement ride officials not to allow their use.

He was saved from sinking below the surface when an assistant dragged the ball back to dry land using a safety line, witnessed by a crowd of tourists.

In the second incident, a person inside the ball suffered a fracture when it fell out of a shallow, above-ground pool onto hard ground.

A typical water ball stores flat and weighs 15 kilograms, and can be inflated in under a minute with a good air pump.

Children in water balls in Kaohsiung , Taiwan
A water ball being inflated
Water cylinder
On a river in Ireland . When used on moving waters the balls must be secured with ropes.