# Playful Engineers at East: Build a Bird Flapper! (Somerville Public Library)

> Event for families in the Boston–Cambridge–Newton area (MA / NH). Times are Eastern Time.

- When: Wed, Nov 4 · 2:00 PM – 4:00 PM
- Where: Somerville Public Library, East Branch, 115 Broadway, Somerville, MA 02145
- Ages: Ages 8-14
- Price: Check official pricing
- Organizer: Somerville Public Library
- Official page: https://somervillepubliclibrary.assabetinteractive.com/calendar/playful-engineers-at-east-build-a-bird-flapper/
- Last checked: Fri, Oct 30

Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Nov 2, 2026, with more added regularly. About: https://grassyknees.com/about
Freshness: listings are re-checked on a daily research run (latest check 2026-11-01), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/boston/activities/playful-engineers-at-east-build-a-bird-flapper-somerville-public-libra--listing-db23a410d14eaecbfb32964d

## About

Kids build colorful flapping-bird mechanisms and learn how simple linkages turn one kind of motion into another, then customize their creations. Children under 8 need a grown-up building buddy.

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