Groundworks Art Lab, the hands-on arts education center, announced Tuesday the grand opening of a main 12,500 square-foot location in Northeast Boulder at 3750 Canfield St. The building will include programming space, a central gallery and a private event rooftop deck with mountain views. An all-ages community open house is planned for Saturday, Oct. 5 from 2 p.m. to 7 p.m., with a public ceremony at 5 p.m. Community members can RSVP at Eventbrite or on Facebook.