55 gal Chichlid Tank

I know petco sells these sort of building block rocks. They come in sets so you can design your own caves and tunnels and the sort by just snapping the different pieces together as you will.

Or, just buy a premade sort of thing, you could find them at any pet store/aisle I'm sure. =/ Just remember, the larger the more expensive.

 

Yeah I know those sort of things can get expensive so I was also thinking of maybe a home & garden store if I could get some sort of rock...