World 5-4 (New Super Mario Bros. 2)
From the Super Mario Wiki, the Mario encyclopedia
At the beginning, there is a blue mushroom that if stood on, lower in height, but return to neutral height when jumped off. After the second set of ground, there is a pink mushroom that if stood on, increases in height, but return neutral when jumped off, much like the blue mushrooms. There are some ? Blocks above this mushroom, one holds a coin, and the other holds a Super Leaf. The third set of ground has a red Koopa Troopa and after that, more blue mushrooms, but now with some Paratroopas. Three more ground platforms exist beyond that, There is a Gold Ring above the middle one, and a red Koopa Troopa on the right one. Next there are five more mushrooms with some red Koopa Troopas on them, the first and last are pink, the other three are blue. At the end, there is a below-ground level brick containing a 1-Up Mushroom. The next ground has bricks, but the middle is actually Gold Bricks. Below, the player will find a Star Coin. The Ground after that has a red Koopa Troopa. There's five more mushrooms, alternating blue and pink, starting with blue. There is a Roulette Block above the middle mushroom. After that is an unenterable pipe and a Checkpoint Flag. The next ground has nothing, but the third has a red Koopa Troopa and a ? Block. Next is three mushrooms, the middle is pink, the rest are blue. There is a Red Ring above the pink mushroom. The next ground has a brick block which is actually Gold Bricks. Next there are two blue mushrooms with a Star Coin in between and a Paratroopa underneath. Next is ground descending in a stair format, with a jumping Paratroopa. Next is three blue mushrooms, with some Paratroopas, and finally the Goal Pole.