Tweens (9–12) in Westchester

Things to do with kids in Westchester

Find the best events happening today for tweens (9–12)

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Friday Oct. 31, 2025

LEGO_Halloween_EventPage_Mobile_AW

11am–5pm

Brick-or-Treat: Monster Party

Ages: 3 – 12
Attractions
Games

LEGOLAND Discovery Center WestchesterYonkers

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

HarvestMoon_Edits-01

5:30–8pm

Mystic Moon: A Spooktacular Experience at Harvest Moon Farm & Orchard

Ages: 3 and up
Food & Drink
Halloween

Harvest Moon Farm & OrchardNorth Salem

7pm

The Haunt at Wildcliff Mansion

Ages: 9 and up
Halloween
Holiday

Hudson Park Children’s GreenhouseNew Rochelle

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