All day Engineering Ages 6–12 New Air for Energy (grades 3 - 5) Cary Memorial Library, Lexington Indoor A hands-on session introducing Newton's Third Law, where small teams build balloon-powered cars and customize them to travel as far as possible. English At the venue (Cary Memorial Library, opens the original listing in a new tab) Listed by Cary Memorial Library Share Air for Energy (grades 3 - 5) WhatsApp (opens in a new tab) Text message Copy message