Join us every Tuesday from June to October for hands-on fun. Bring a small item from home to take apart and discover how it works or tinker with something already in our Learning Lab! Basic tools & instructions available. All ages welcome. The American Precision Museum located in the 1846 Robbins & Lawrence Armory, a National Historic Landmark, traces the beginnings of manufacturing to modern technology through exhibits and interactive programs. Open daily Memorial Day Weekend through October 31, 10:00 a.m. to 5:00 p.m. The American Precision Museum is proud to be a Blue Star Museum, offering free admission to active duty military & their families.