I had spelled it wrong before. "Sonotubes" are cardboard forms people use to pour concrete footings for decks and stuff...

They look like this,



I was thinking you could paint them. You would have to add a top and bottom though. You know what would be cool, that light idea I mentioned before. What if you had a plexiglass top on the tubes and put these lights in the bottom or a few inches from the top. That way they would be little stantions/bbeacons of light.