. . . and just like in the 1:1 scale table fans, the oscillation is powered by the same motor that drives the fan, through a set of reduction gears. Ok, I'm amazed again. And yes, thank you for showing how the "magic" was done (and for the Dime size comparison).
Some layouts I visit have a list (for both kids and adults) of fun details to find on the layout. Usually those are something like a monkey in a tree, a peeing drunk, or a nude sunbather. On your layout it will be "find a fully functional table fan, and a barber pole"!