This mario papercraft is designed by Sebastian Zych form csfgpapercraft. A Poison Mushroom (or Poison Shroom) is a Mushroom that powers down or defeats Mario or Luigi if they touch it. They have the opposite effects a Super Mushroom may have. They first appeared in the Japan-only game, Super Mario Bros.: The Lost Levels. Currently, they appear now and then, hindering the player.
In Super Mario Bros.: The Lost Levels, a Poison Mushroom will kill Small Mario or Luigi, or revert Super or Fire forms into small; they have no effect on the Invincible form or the small form that is still flickering from a recent injury. Another way of getting rid of one is to reveal another mushroom, such as a Super Mushroom or a 1-Up Mushroom, as this causes the first mushroom to disappear. Poison Mushrooms are found in Brick Blocks and ? Blocks, coming in many different colors in the original FDS game. In the remake of Super Mario Bros.: The Lost Levels, Poison Mushrooms changed their main appearance to blue.
The difficulty of this mario papercraft is 5/10. You can download this paper toy from here: Super Mario Bros.: The Lost Levels - Poison Mushroom Free Paper Toy Download