This event boasts the most jam-packed lineup of this year’s SummerStage Family Days; plus, it’s headlined by kindie group Justin Robers & The Not Ready for Naptime Players, who will sing about everything from snow days to trick or treating. The multicultural Illstyle & Peace Productions will perform hip-hop and tap dance, followed by a Chinese Lion Dance from the New York Chinese Cultural Center. Performers from The Bindlestiff Family Cirkus send families off with a show that combines their unique style with traditional circus tricks. The concert is located at Rumsey Playfield; enter at East 72nd Street. Free. Ages 3 and up.