The lean-to is a lovely space saver. It is designed to allow you to set it against a building or wall. Find the size that is right for you. All coops come standard with glass board floor. Siding is painted duratemp or board and batton. Wheel kits and electric is a option. Available sizes 4′ x 5′, 3′ x 5′, and 3′ x 4′.