World 14-4 (Super Mario Maker for Nintendo 3DS)
From the Super Mario Wiki
World 14-4 is the fourth and last level of World 14 of Super Mario Challenge from Super Mario Maker for Nintendo 3DS. It is, in part, based off of Zigzag Lava Bubbles from the original Super Mario Maker.
The level starts in an empty hall. Like the level Zigzag Lava Bubbles, it autoscrolls. Soon, six Zigzag Lava Bubbles, a Goomba, and a Winged Hidden Block containing a Super Mushroom on a Fire Flower appear. After this, four Zigzag Lava Bubbles come from a hole in the top, as well as the bottom. After this, another Winged Hidden Block and two Goombas. After this, a line of eight Zigzag Lava Bubbles comes down. They follow Mario going past four Goombas. Then the player must go against a Conveyor Belt going left. After this, stairs going up then down. After this, a Goomba and a Winged Hidden Block containing a 1-Up Mushroom before the player takes the Warp Pipe. After taking the Warp Pipe, the player automatically touches the Checkpoint Flag. The player can't go back in the Warp Pipe due to a One-Way Wall After this, the player encounters six Zigzag Lava Bubbles, a Goomba, and two Winged Hidden Blocks, one of which contains a Super Mushroom on a Fire Flower. After this, the player can get a 1-Up Mushroom by activating a Flimsy Lift and avoiding a Goomba. After this, the player goes in an area where five sets of five Zigzag Lava Bubbles will come down from above. After this, the player encounters two Big Zigzag Lava Bubbles. The player can jump on two Goombas trapped between two walls and on top of a Donut Block. Below them are a Goomba and a Winged Hidden Block containing a 1-Up Mushroom. Two more Big Zigzag Lava Bubbles guard the Warp Pipe. There is also a Goomba and a Winged Hidden Block nearby, which the can get before taking the Warp Pipe. After taking the Warp Pipe, the player sees a Goomba and indirectly a Hidden Block containing a Super Mushroom on a Fire Flower. After this, five Big Zigzag Lava Bubbles, a Winged Hidden Block, and two Goombas. After this, six Big Lava Bubbles guard the Axe. Three Winged Hidden Blocks, one containing a 1-Up Mushroom can be gotten before hitting the Axe.