Funny you bring this up. I saw this ad just yesterday on craigslist.com
http://austin.craigslist.org/grd/711017994.htmlI thought these were pretty cool, and had actually thought of getting one for my boys to mess with. We had a chicken last year that they named Francis but due to living on a creek, I was afraid she was going to be attracting snakes which I didn't really want around so we got rid of her.