New Super Mario Bros.: 8-5

The scenery changes from a dark world to a volcano. We're inside the volcano at the base. There's magma below. We have to platform from dangling metal platforms and rocks that will fall into the magma soon after we step on them. Jump down and quickly go up the tilting rocks for the first Star Coin. The second Star Coin is floating over the magma near two dangling metal platforms with Koopas on them. Use a shell to get the Star Coin while the metal platform is tilted. At the end, there are several tilting rocks. Move quickly and jump high to reach the third Star Coin. The pipe to the flag is just to the right.