Montague Street Businesses will host Sunday Social on car-free Montague Street in Brooklyn Heights. A giant Brooklyn Bridge Parents Kids Zone features more than 25 free activities including Bey Blade tournaments, sports and obstacle courses, arts & crafts, STEM projects, robot making, movie making, a photo booth, face painting, music making and a bouncy house for kids 1 to 10 years old to enjoy all day long. Rain or shine.