Star Coin 2: Going down the yellow pipe as explained above, Mario enters an area with the floor made of Brick Blocks.Mario should then make his way down to the bottom where the Star Coin is by ground pounding the red POW Blocks below. Star Coin 1: When Mario reaches the structure of colored blocks as mentioned above, he should go down the yellow Warp Pipe to an area full of Koopa Paratroopas.Three pipes of ascending heights, the second with a Koopa Troopa and the last with a Piranha Plant, comes at the end with the Goal Pole. Further down the level, there are two tall stacks of colored blocks followed by several Koopa Troopas and Koopa Paratroopas. A yellow Warp Pipe can be found at the bottom of the stack. A lone red Koopa and a Red Ring can be found there. This is followed by another stack of colored blocks which is arranged like a maze. More stacks of colored blocks follow along with several Koopa Troopas, Koopa Paratroopas and Goombas. After that, there is a stack of colored blocks in between blue and red Warp Pipes (the red one is infested with a Piranha Plant) having Goombas and red Koopa Troopas guarding a yellow Warp Pipe below the structure. Below them are two Brick Blocks, one of which contains many coins. A Goomba then appears, followed by several green Koopa Paratroopas.

Mario starts off in between two ? Blocks, the right one containing a Super Leaf.

Mushroom world super mario bros 2