10-04-2010, 05:29 PM
I observed something similar at a recent Twin Cites show. Sometimes the guys running the layout must assume that spectators will be more interested in the novel or non-train related stuff. I was admiring a grain elevator scene on a modular layout that was on display when I was invited to take the controls that fired missiles from a flat car as it rolled by a bunker that "exploded" if the missile hit it. It was fun but I really just wanted to look at the grain elevator. 
Ralph
Ralph