27 Great Rainy-Day Activities for Long Island Kids Submitted by Lisa Mancuso on Sun, 04/14/2019 - 2:00pm When it’s raining outside, it’s time for indoor fun. To get you started, Mommy Poppins Long Island has put together a list of rainy-day activities that will make everything seem a whole lot brighter. We’re talking Long Island’s coolest indoor play spaces, sports centers and fun zones; the latest museum exhibits, and the newest places to visit. Of course, if you decide to just stay home, we’ve got you covered there, too, with plenty of creative indoor boredom busters. Read more.