The barrel will drop and reveal the Star Coin.The level starts with the player facing two Hammer Bros on two rows of Brick Blocks, one of which on the bottom row contains a Super Star. Star Coin 3: When Mario reaches the Roulette Coin Block, he should stand on the barrel on the right of the pipe below it.When the Piranha Plant returns to its pipe, Mario needs to wall kick off the pipe to find a hidden alcove with the Star Coin. Star Coin 2: Immediately after the checkpoint, the player should see a Piranha Plant beside several Brick Blocks and a ? Block with a Fire Flower above the rotating platforms.The player will need to hop off a Cheep Cheep to reach it. Star Coin 1: This Star Coin can be seen above three floating Barrels after the first Gold Ring.In the last area, there are stone platforms and several more Cheep Cheeps which can help Mario reach the top of the Goal Pole not far away. Finally, a green Warp Pipe leads out of the area. One last Gold Ring appears, with more Cheep Cheeps along the way. Another pipe to the left of it leads to an underwater area with a Cheep Cheep and a ? Switch that releases coins from yellow Warp Pipes. A Roulette Coin Block can be found above a pipe with a Piranha Plant in it. Following that is another set of rotating platforms with a Piranha Plant on one of them. After that, two ? Blocks appear, one of them having a Super Leaf. Another Gold Ring can be found on several orange platforms, along with more jumping Cheep Cheeps. Rotating platforms and Piranha Plants begin to appear. Another hill of sand follows, along with the checkpoint. A row of Brick Blocks can then be found, one of them containing a ? Switch which makes coins to be released from a green Warp Pipe above. More Cheep Cheeps follow, along with several more barrels. A Gold Ring appears here, which make coins follow behind Cheep Cheeps. Floating Barrels follow, which sinks when Mario is on it for too long. A ? Block containing a Super Leaf can be found here. The player begins on an orange platform at a beach.

World 3-1 super mario bros 2 warp pipe