This is what mine looks like in my basement.
**Keep in mind it looks more crowded in the picture than it should be. Some of these were sold and I have a second brooder like this to divide them up in. Only pic I had handy.**
I do it. It's not quite nice enough to move my oldest ones outside yet. At least i'm not ready - maybe they are. I will do it in another month probably.
In the meantime, I've found that a large plastic baby pool with a puppy exercise pen around it works great. I just add wood chips as...