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“Look, we can't very well ride in a tiny little Toy Train. That'd be impossible. Put that back in its toy box.”
The Toy Train is a small toy train resembling a mushroom used in Paper Mario, and it is required to access all parts of Shy Guy's Toy Box. To get the train, Mario must find the Storeroom Key and give it to Harry T. in Toad Town. Harry will unlock the storeroom and let Mario take anything he wants.
When Mario puts the train into the Toy Box, it becomes huge and fits the track. By solving puzzles, Mario can open the track to all the stations, allowing the train to move freely throughout the Toy Box.
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