12 months and up. Fill it up and hop right into the Soft Foam Ball Pit! This foam ball pit expands when opened and comes with 100 crush-resistant balls. Pick a spot in any room and simply fill with the bubbly balls and hop in to get playtime started! Its squishy foam design gives kiddos a plush play space to develop gross motor skills and get the wiggles out when they're indoors. Get ready for big ball pit fun and a tubful of giggles!