Look for people who can make it to order. I think that such installations aren't sold. Most likely they are made to order. It's just that when I wanted to buy a hawk, the first thing I looked for was a huge cage for it. I didn't find it in any store. I had to call people and ask them to make me a custom cage. Second of all, I read all about What Eats a Hawk. I just thought one little mouse would be enough for breakfast, lunch and dinner. It turned out that for the hawk, the main thing is a varied meal.