8 am – 6 pm Hicks Nurseries’ 35th Annual Flower & Garden Show Ages: AllAttractions Family Free Hicks NurseriesWestbury
3:30 – 4:30 pm Super MAR10 Day! Ages: 5 – 12Family Free Games Franklin Square Public LibraryFranklin Square
8 am – 6 pm Hicks Nurseries’ 35th Annual Flower & Garden Show Ages: AllAttractions Family Free Hicks NurseriesWestbury
10 am – 5 pm Moon to Mars Ages: 8 and underAttractions Family Long Island Children’s MuseumGarden City
5:30 – 7 pm Resilience U: Self-Awareness—Discover Your Strengths Ages: 13 and upClasses Family Free Sid Jacobson JCCEast Hills
7 – 8 pm The Search for Interstellar Objects of Technological Origin (A Free, Virtual Lecture) Ages: 9 and upBooks & Readings Community Family Hamptons Observatory with Suffolk County Community College (online)East Hampton
8 am – 6 pm Hicks Nurseries’ 35th Annual Flower & Garden Show Ages: AllAttractions Family Free Hicks NurseriesWestbury
10 am – 5 pm Moon to Mars Ages: 8 and underAttractions Family Long Island Children’s MuseumGarden City
1:30 – 3 pm Homeschool Hangout (Ages 5 – 12 years) Ages: 5 – 12Art Books & Readings Family Emma Clark LibrarySetauket
3:45 – 4:45 pm Woah, Reactive STEAM! Ages: 5 – 12Classes Family Project Most Community Learning CenterEast Hampton
8 am – 6 pm Hicks Nurseries’ 35th Annual Flower & Garden Show Ages: AllAttractions Family Free Hicks NurseriesWestbury
10 am – 5 pm Moon to Mars Ages: 8 and underAttractions Family Long Island Children’s MuseumGarden City
11 am – 4 pm Museum Adventure Activity: Deep Sea Explorers Ages: 3 – 12Art Attractions Family The Whaling Museum & Education CenterCold Spring Harbor