World Coin-4 (New Super Mario Bros. U)
From the Super Mario Wiki
World Coin-4, or Coin Courses-4, is the fourth level in the multiplayer exclusive Coin Courses in New Super Mario Bros. U. This level is located in Meringue Clouds. The course is given a difficulty rating of three stars.
The level features multiple moving cloud platforms, several rotating coin formations, and many pipes that will spew out coins.