Toad Trainworks is a location from Paper Mario: Color Splash. The path leading here is unlocked after getting the orange Mini Paint Star from Mustard Café, and unlocks a path leading to Tangerino Grill. The Megaphone Thing can be found here.
After Mario enters the building, Huey observes that the Toads do not seem busy. When Mario talks to the foreman, he says that he is planning on retiring after his next job. After Huey asks about the Mini Paint Stars, the foreman shows him one and allows him to take it. Huey is surprised at how easy it was to get, and collecting the Mini Paint Star opens a path to Tangerino Grill.
After the blue Rescue Squad is assembled in Kiwano Temple, the Sunset Express is crushed by a Big Thwomp and pushed to Toad Trainworks for repairs. Huey and Mario arrive to see the area overrun by enemies. The foreman explains that six parts of the train need to be put in the right place, and a diagram to the side shows where they are. Up the stairs is a Toad rolling on the boiler, which has a Scaredy Rat 10-Stack inside. Once the stack is defeated, Mario must walk inside the boiler and roll it onto the train. Trapped inside, he must walk to the front of the train and hammer its symbol open, revealing five Ninjis. Mario then has to walk around the train and close the symbol again.
Next, the smokestack must be fixed. Mario can access it by jumping on top of the train from the ramp. After repainting it, pulling it causes a Fuzzy Stack to come out. Once it is defeated, the smokestack is restored. Mario must go to the left to find a red Shy Guy running around a section of the train tracks, then hammer the tracks down. A small cabin is located here, and it contains the Megaphone Thing. From here, Mario can access the upper levels of both areas. Exiting through the left door leads Mario to be ambushed by a Ninji. This area contains the passenger car, and entering it leads Mario to be attacked by twelve angry Toads. Having 12 or less HP remaining will result in a Game Over. On top of the train are Rocky Wrenches, and navigating past them takes Mario to a handcar. Using the hammer on the handles causes it to push the coal car over to the Sunset Express.
The coal car can be reached by using the right exit in the cabin. The crane holding the cabin is also located here, and when entering the crane operation area, Mario is ambushed by six Slurp Snifits. Once defeated, he must repaint the crane operator Toad, and then place the Sunset Express's cabin in the empty area. Lifting the crane causes the cabin's flaps to go up, so Mario must hammer them down, causing the cabin to be fully repaired. Next, Mario must activate the Unfurl Block in the coal car, then unfurl a box to form a path to the coal chute. Multiple Shy Guys are blocking the coal production, and when Huey demands they stop, the coal all goes into the car and traps Mario. After Mario frees himself, Coal Guys emerge, and once they are defeated, Mario must pull a Toad out of the coal.
With all the parts repaired, the train moves out of the station. The green Toad workers cheer for the foreman and throw him into the air, then cheer for Mario. The foreman announces his retirement as the Sunset Express sets off to Tangerino Grill.
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