I wish i thought of this...

[westhavendave]

I would think over time it would just get to looking cruddy inside. Does a crab poop in his shell? Maybe build him a litlle glass crab toilet, just include me in the patent royalties

[Joe]

There's a kiosk in the Providence Place Mall selling something very simalar - not quire as fancy. I was there today. It's called "crab hut" or something like that...They're marketted toward kids.
The kids were about three deep around the kiosk.

[Raven]

would it kill a fish if he ate it....?

you could do a peri winkle Nebe...

just put wheels on it... heh heh