can I "make" new cameras and leave them in the 3 or 4 rooms I'll shoot in?

yeah, I'm concerned about the walls. but I;m learning to navigate my main camera through, kind of.

on the bed I'm using for the boy, it has a pretend bed cover but I can't open it up and slide the kid in. plus I need a good pillow for him which I hope I can find somewhere. can I make a bed cover, give it the Cloth treatment as in one of the tutorials, and drape if over his body? I think so. can I put a pattern on it from somewhere?

asking a lot of info here, thanks for being helpful,

drawn