The Best FREE Things to Do in Westchester

Free things to do in Westchester

Find the best events from Aug 19 to Jan 1 for tweens (9–12)

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Friday Oct. 31, 2025

Slime

4:30–5:15pm

Science in Action-Slime Science @ the Village Branch

Ages: 9 – 12
Free

Haverstraw King’s Daughters Public Library Village BranchHaverstraw

Tuesday Nov. 18

6:30–7:30pm

LED Thankful Card (Gr. 4-6)

Ages: 9 – 12
Art
Craft & DIY

Finkelstein Memorial LibrarySpring Valley

Thursday Nov. 20

6:30–8pm

Teen Makers for a Cause: Beanie Hats & Lucky Rocks (Gr. 7-12)

Ages: 9 and up
Art
Community

Finkelstein Memorial LibrarySpring Valley

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