- Not to be confused with the Blue Spiny Shell used in the Mario Kart series.
Blue Shell | |||
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Item Type | Weapon | ||
Kind of Item | Koopa Shell | ||
First Appearance | Super Mario World | ||
Effect | |||
Can turn Mario into Shell Mario. Allows Yoshi to fly when inhaled. Targets the nearest racer ahead of the user when thrown forward and freezes them upon contact. | |||
Related Items | |||
Red Shell |
Blue Shells are Koopa Shells featuring a deep blue carapace. They first appeared in Super Mario World, causing their Koopa Troopa residents to start kicking other shells when they become Beach Koopas. If a Yoshi holds a Blue Shell in its mouth, it will grow wings and become able to fly. Blue Shells can be worn by humans such as Mario, which as shown in New Super Mario Bros. turns him into Shell Mario.
Game Appearances[]
Super Mario Galaxy[]

A Blue Shell in an Item Crystal
Blue Shells appear, along with Green, Red, and Gold Koopa Shells in the game Super Mario Galaxy Odyssey. Unlike other shells, which are thrown when Mario spins, Mario instead goes inside of the shell and slides around, breaking down obstacles and enemies, and whenever he hits a wall he comes out of the shell and holds it in his hand again. This ability is virtually the same as the Rock Mario powerup from Galaxy 2 and the shell abilitity from Super Mario 3D World, and is considered a replacement for both. Because this shell is often required to pass a puzzle, it will sometimes be seen in Item Crystals. Additionally, underwater they move Mario slower than the other shells but allow him to be underwater indefinitely, without getting more air. Blue Shelled Koopas are much rarer than other types and respawn if killed.
Koopa Kart series[]
Koopa Kart: Double Trouble!![]
The Blue Shell is Hammer Bro and Dry Bones's Special Item in Koopa Kart: Double Trouble!!. It can be obtained from 5th to 8th place. When used, it will act like a Red Shell, except it will freeze its target.
Koopa Kart Tour[]
The Blue Shell returns in Koopa Kart Tour as Koopa Kid and Larry Koopa's Special Item. It is obtainable from 5th to 8th place, and it serves the same purpose as before.
Fallen Leaf Series[]
Mario Kart - Fallen Leaf Racing[]
When Blue Shells returned to Mario Kart - Fallen Leaf Racing, They were given a Buff. They now instead shrink the player for 6 seconds, Similar to the Lightning Cloud and the Lightning Bolt.