I came across this ad for a “red seal” battery
The catalog seems to have a “product placement” haha, I have also seen a tunnel similar to the one in the catalog, not sure if it’s the same tunnel as you saw. Thankfully I took a screenshot:
Hard to say it this is is the same tunnel in the catalog. Still not too sure about what the board is, but it does remind me of a circus toy. All I can say is that the round (motor?) at the end of the board:
reminds me of a Lionel new departure motor, similar to this one:
Still hard to say if this is the same as the one in the catalog cover.
Trainfam