I built these in an day. There are 7 total but only have images of 4 or 5. Each is 8 x 10, made hoops of 1.5 inch electrical pvc, ends made with cattle panels and wrapped in chicken wire. The 2 that have my hens will have nest boxes added soon made out of cat litter containers. All but two have roosts as well. http://gallery.me.com/anthonyjames420 Hoop Houses or Brooder take your pick.