Mystery Box: Candy Construction Thursday, February 21, 2019 3:00 PM 4:00 PM 15:00 16:00 Larchmont Public Library 121 Larchmont Avenue Larchmont, NY, 10538 United States (map) Google Calendar ICS Ages 5 to 7. Online registration required. What’s in the mystery box this month? Sugary structures you must work together to build. Find out what’s inside at this new STEAM-based program.Click here for more info.