Any Ideas for these?

[HandsomeDevil]

I ran across this ad on craigslist, I know you DIY guys and gals could come up with something awesome, I am starting to see possibilities for filtration, but what else could I do with one of these?

http://phoenix.craigslist.org/cph/pet/2457814153.html

 

[JML1997]

You could set them up as an above ground pond type of thing and breed some monsters worth breeding ..

 

[HandsomeDevil]

Thats a good Idea, I am seriously thinking of plunking the cash down on one.
Thanks!

 

[Ajno]

Those are awesome! I'd snatch up the big ones and use them as ponds.