
Saturday, October 17, 2026 · 2:00 PM – 3:00 PM
Children's Programming Room — 14 Union St., Hamilton, MA
Join Hamilton-Wenham Regional High School STEMsters club students for a design & build activity. Learn the science behind Marshmallow Catapults while engineering your own catapult. Designed for elementary aged students, K - 5. Pre-registration is required. Visit www.stemsters.org for more information.