Wiktionary
train sets
n. (plural of train set English)
Usage examples of "train sets".
You couldn't do thirty miles per hour through there, and the train sets on that line cruise over a hundred.
The long shelves down the north wall still bore generations of train sets, building sets, board games and stuffed toys.
And scurrying about were several dozen men in funny hats, some wearing striped engineers' overalls, some carrying oil cans, some carrying parts of train sets, others laying track.
And why an examination of the dud missiles revealed the shattered and fused remains of train sets and toy six-shooters, and if this could have any possible connection with the robberies of large toy stores in such widely separate places as Salt Lake City, Irkutsk, Londonderry and Tokyo.