I went to Home Depot, bought some 6" black drainage tubing at a cost of
about $3 for six or so feet.  The ferrets love it, it makes a great noise
as they scamper through it, it is indestructible, and I mean
indestructible, and it is very easy to keep clean.  The price can't be
beat, and I'll probably never need to buy a tube again!
 
-Anne
[Posted in FML issue 2721]