I have Skip Martin's play yards all over our house, and love them.
When you are not using them, they fold up nicely to store.  They are
reasonable in price and have a lid so that you don't have escaping
ferrets.
(www.martinscages.com)
 
Marguerite
 
TinyPrints Shih Tzu and Rescue
http://www.tinyprints-shihtzu.com
TinyPrints Ferret Rescue
http://www.tinyprintsferrets.com
TinyPrints Ferret Rescue Ebay and Half.com Stores
http://www.stores.ebay.com/tinyprintsferretrescuestore
http://half.ebay.com/shops/shops.jsp?seller_id=1093064
[Posted in FML issue 4533]