Oh look, a ball that your child can run around inside! Just what you were looking for. The fact that the ball floats on water is even more exciting.
It's also good training so that one day your kid can travel to New Zealand to Zorb (which means to roll down a hill in a bubble).
The video suggests that this is a new method of babysitting in China, while the youtube site suggests that with an ever growing population, this is merely a method of child storage.
Chinese Child Ball
More Stats +/-
Top 35 Share Economy Ideas in October
Top 70 Personal Care Products in October
Streetwear-Branded Fur Backpacks
Geometric Wine Stoppers
Responsive Mythological Pixel Art