World 6-4 (Super Mario Bros. 3)
From the Super Mario Wiki, the Mario encyclopedia
The level starts with three Donut Lifts, a few Ice Blocks, two Rotary Lifts, three Goombas, and a 1-Up Mushroom. Next, there are two lifts, a ? Block with a Super Leaf, and a Magic Note Block that sends the player to a Coin Heaven with many coins. After this, there is a Switch Block, more Rotary Lifts, a Fire Chomp and another 1-Up Mushroom. After the second 1-Up Mushroom, there are three more Rotary Lifts and the goal.