Saw this while searching ebay. It is made for rabbits but could make a nice little hose for a few chcikens as well
http://cgi.ebay.com/RABBIT-HUTCH-WO...926?pt=LH_DefaultDomain_0&hash=item3a60c27556
http://cgi.ebay.com/RABBIT-HUTCH-WO...926?pt=LH_DefaultDomain_0&hash=item3a60c27556