Marble Run

Sunday, November 15, 2026 2:00—3:00 PM Children's Program Room Watertown Free Public Library 123 Main St, Watertown, MA, 02472 Work together to build a marble run! For kids ages 3-11. No registration. The Watertown Free Public Library does not discriminate and does not share your information with anyone. We are committed to providing reasonable accommodation to enable you to participate in our events. Contact the library at emiranda@watertown-ma.gov or 617-972-6435 at least two weeks before an event to arrange for modification.