I thought it might be a good idea to check out the stairs just so we could see what we were dealing with, so after a few false starts, we got the tread on the top stair removed.
Man, it was nasty in there. Cigarette butts, bits of wood, globs of joint compound and tons of sawdust. As long as we were in there though, we cleaned it out.
A very cool idea! By the way, the white "acorn" under the second black animal is actually a big blob of very hard joint compound. Couldn't get it off.
The guys told me to paint something too. Here it is: