According to New Orleans artist Josh Ente, there's no reason why not. Abandoned houses denote ruin and despair. Ball pits, by contrast, are bright, happy places, full of gleeful children. Josh says that since Hurricane Katrina, the number of vacant housing units in New Orleans has doubled, and he, for one, is sick of seeing homes in his neighborhood left to slowly decay.
So Josh is taking action. Having successfully raised funds on Kickstarter, he is now busy renovating a vacant house and purchasing the raw materials. Learn more about his project here: