should activate the POW Block to make the Star Coin fall to the ground. must ground-pound through the bricks to enter the pipe, and once in the area, Mario and co. To the left of this is a green Warp Pipe with several bricks covering it. The third Star Coin can be seen floating below the ground, surrounded by two red Warp Pipes. Star Coin 3: At least a Super Mushroom is required for this one.must use them to reach the second Star Coin, which is floating high in the air. This turns the nearby coins into bricks, and Mario and co. should activate the P Switch that is hidden in the lone brick. Star Coin 2: To the high right of the first Tilt Lift is a green Warp Pipe.Star Coin 1: Right after the player enters the first green Warp Pipe, the first Star Coin is floating in a small alcove in the ceiling.A Tilt Lift can be used to reach the top of the pole. Past this area is another Tilt Lift with a Red Ring and another Warp Pipe that leads outside. After the player destroys all the bricks, they can wall-jump upward to a secret area to collect extra coins. Above the pipe leading to the third Star Coin, a group of bricks is found. Players can jump down into the space below the ground to grab a Star, which can be used to defeat several enemies ahead. Past this is a couple of pipes with a Koopa Troopa and a few Piranha Plants between them are dozens of coins and bricks. There are many tilting platforms made of crystal seen throughout the cavern, the first set of which leads up to a POW Block. At the beginning of the level, players must avoid Goombas and run through a wall to a hidden Warp Pipe, which leads to the underground area. Most of this level takes place underground.

Super mario bros world 1-2 map