RebelEgger
Free Ranging
Massive ventilation.
Walk-in.
Divisible to allow separation of subflocks and/or rotation through pens/runs.
Built-in brooder area and a place for one or more broodies to raise chicks.
Outside access to feeders, waterers, and nestboxes.
Electricity and water.
Storage.
Did you steal my list from my brain @3KillerBs?? Lol