Visitors posing for pictures with a giant inflatable heart called “Chubby Hearts,” an installation by the designer Anya Hindmarch, on Valentine’s Day in Hong Kong. Lam Yik/Reuters ...

The inflatable park is advertised at $120,000, complete with 24 air blowers and a bull ride. The King Edward Street lot — snug beside an auto centre — is not for sale, nor is the company name.