This event is in the "Teens" group National Brownie Day 3:00pm–4:00pm Teens Closed Registration Required This event is in the "Teens" group Dec 8 2025 Mon National Brownie Day 3:00pm–4:00pm Teens Closed Please note you are looking at an event that has already happened. Library Branch: Islip Public Library Room: Children's Program Room Age Group: Teens Program Type: Food, Games, General Interest Registration Required Program details: Teen Programs Join us for National Brownie Day as we taste-test different brownies!
