I'm adding two hundred sq ft to Bob Whites House. The pen will be subdivided. Its gonna have a pop door. I'll hatch some Bob's Raise them in the new addition & when their about the same size as mom & dad I'll open the pop door. The new addition will make the pen around 460 sq ft. Holy smokes I've lost my mind. I know pictures don't worry you'll get so tired of seeing this pen it will make you sick.