Propeller Mushrooms are power-ups in New Super Mario Bros. Wii. They have a cap covering two eyes. The item gives Mario or Luigi a suit by touching the orange mushrooms with propellers on the top called Propeller Mushrooms. They are a very common item and is World 1's main item. Once it is collected, the user will wear an aviation-suit of their color and upon shaking the Wii Remote to hover.

Along with the Penguin Suit and Ice Flower, this power-up was introduced in New Super Mario Bros. Wii. Currently they have appeared in New Super Mario Bros. Wii and in the "Superstar Road" of "New Super Mario Bros. U". To use the power up the player must shake the Wii Remote (or,if using the Wii U GamePad, press Classic Controller ZR Button) to cause their character to fly into the air for a short period of time. As with all power ups if the player comes into contact with any enemy the player will lose the Propeller Mushroom.

There are also Propeller Blocks, which produce the same effect, but they must be held above the user's head.

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