Saw this on Ebay, but I am confused by the dimensions and am not sure how many standard size hens it will fit comfortably.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120611420085#ht_5213wt_782
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120611420085#ht_5213wt_782