I think it may have been here that I first got the idea. Then I started to google images of the playhouse chicken coop. After that it was simply a matter of finding one locally someone was getting rid of. So far, there has been nothing difficult about the project. Easy, cheap, easy, cheap...
Paid $50 for this off eBay. Modifying it was easy... just a matter of some hardware cloth, 1"x2"s and some hinges and a latch. We fashioned the platform out of 4"x4"s & plywood. My nesting boxes are actually an old set of cube shelving I had left over from when I was single that we didn't use...