For some reason your photo isn't showing, so let me jump in with
American Flyer Transformer
Thanks for participating and for asking.
As long as you match some element from the most recent photo posted, you have made a link in the chain. The most recent photo that I am looking at is FRENCHTRAINS'
You could match any of the tinplate cars, track, a train, a spotlight, barrels, toolbox prewar, standard gauge, etc. Sometimes it can be difficult to find a match, but you can be flexible and creative, and hopefully have fun.
I will make a link by posting a photo of mine that has a caboose in it.
Next person who posts can match any (or several) of the elements in my photo.
I hope that helps.