Lego Architecture 21030 - Retired Set United States Capitol Building Condition: New in Unopened, Factory Sealed Box! Non smoking home LEGO Architecture interpretation of the iconic United States Capitol Building that focuses on the neoclassical style facade, steps, and lawns. It includes a decorative U.S. Capitol nameplate and a dome that can be removed to access the rotunda interior. The rotunda interior includes columns, 8 statues, and a tiled floor. Parts of the roof can be removed to view the inside of the Capitol Building.