World 7-5 (New Super Mario Bros. Wii)
From the Super Mario Wiki
Along with Foos and Paragoombas, the level contains Koopa Troopas and many Mini Goombas. There is a Propeller Mushroom in the level, found past the first Star Coin. A 1-Up Mushroom is also hidden three-quarters of the way through the level, and can be accessed by jumping on a Jump Block.