From the Super Mario Wiki
Rail Lift is Stage 1-3 of the game Yoshi's Story. The level contains many Surprise Balls, Bumper Balls, and cloud platforms. As the title suggests, they're are many platforms that move along set tracks, hovering over bottomless pits. The level can be even more difficult as Yoshi will have to hit levers along the track to progress.
 Other Information
 Storybook Segment
New to the world, the babies didn't know much, but they knew to keep trying. With teamwork, the Yoshis could find the tree at the end of the book. Shy Guys tried to keep them down. By riding on clouds, the Yoshis happily escaped.
 Other Appearances
Rail Lift appears in Mario & Sonic at the London 2012 Olympic Games as the location for the Dream Long Jump event. It is called "Yoshi's Picture Book" in the game. The event is used for Dry Bowser in London Party.
 Names in Other Languages