London Olympics, grandly opening in Stratford Olympic Stadium, on July 28, 2012, has used 28 green with a yellow smiley transparent ball, which passing in the hands of audiences. Billion globe audiences were impressed by the spectacular and shocking scene. People call it Smiling Ball. This is first time water walking ball debut in the international stage. After that, more and more people known about it, they play in the park, reservoir or pool.
 

However, water walking balls, a recreational activity that has gained popularity in recent years, was unsafe and could lead to suffocation or drowning. You see, a rider climbs inside the plastic bubble, similar to a giant hamster ball, and stands up. After that, the ball is sealed with a zipper and floated in a pool or a lack. As the rider walks inside the ball, the ball rolls along the top of the water. Some authorities said that they do not know of any absolute safe way to use this product .For example, once accidentally punctured by sharp hard object, the gas in the water ball will soon be completely leak, endangering the safety of personnel.
 

The sealing zipper of this entertainment equipment has very limited frequency of use. If exceed the standard or pierce the water walking ball, the ball will filled with gushing water column within seconds ,people cannot escape from or even die in it. So when people playing, they need observe public order, obey the management of office workers.
 

In daily life, the maintenance of water walking ball is an important job. Before opening the zipper, workers should ensure that the head of zipper is dragged forward the zipper tooth row and the closing speed should be controlled within 10-15 m/min. Do not open and close it again and again. After using, cleaning is the significant step. Paint beeswax only on the external tooth .Workers should opening the zipper and storing the water ball in a cool place when it in non-working condition.
 

If it got damaged, washing the surface damage with water and then apply special glue. Five minutes later, workers are able to heat adhesive on the breakage and press it appropriately.
 

"In case of winds, rain, snow, fog or hail, these equipments should be prohibited in order to avoid accidents." the supplier said.