World 11-1 (Super Mario Maker for Nintendo 3DS)
From the Super Mario Wiki
World 11-1 is the first level of World 11 of Super Mario Challenge from Super Mario Maker for Nintendo 3DS.
At the beginning, Yoshi will come out of a Yoshi Egg. Yoshi is needed to get past the nearby Spike Traps then climb past Conveyor Belts with Spike Tops on them. After climbing down and hitting a P Switch, which releases Goombas and a Spiny Shell. After the P Switch expires, the player will get a Spiny Shell. After this, there is a Big Red Cannon shooting Cannonballs, which the player can use to get up high, where Bloopers on tracks, Zigzag Lava Bubbles, Rocky Wrenches, and a Hidden Block with a 1-Up Mushroom are. The low path has a One-Way Wall to make sure the player does not back track after going past it. In this area, the floor is mostly made of Note Blocks, though there are also Conveyor Belts, Lifts, Donut Blocks, and a Semisolid Platform, as well with some Vines nearby and a Dry Bones and some Monty Moles as enemies. After this, a Monty Mole, a Piranha Plant in a Pipe, and Note Block, one containing a P Switch, which will release a Monty Mole from above. After this, 3 more Note Blocks, one containing a POW Block. Finally, the stairs of Hard Blocks to the Goal Pole have Monty Moles on them.