CLINTON TOWNSHIP, Mich. Water parks and public pools are expected to remain closed this summer, so what are families supposed to do to keep busy during those sweltering summer days? RELATED: US communities face tough choices on opening public poolsMay parents have decided to buy an inflatable pool, but it can be difficult to find one. They are ball players, but if it is raining out, they are stuck.She also knows that her local splash pad is closed. Even pools at condos arent opening, so shes doing what many are doing: setting up a slip-and-slide in the backyard. Shelves at local stores like Target and Meijer are picked over -- even backyard sprinklers are hard to come by.