Flying ? Block
From the Super Mario Wiki
Flying ? Blocks are ? Blocks with wings. They are one of the many blocks in the Mario franchise. These blocks fly around from left to right or from up and down. They also appear in different colors. Some colors include red and yellow.
Super Mario series
Super Mario World
Flying ? Blocks first debut in Super Mario World. They appear in a few levels.
New Super Mario Bros.
These flying blocks reappear in New Super Mario Bros.. This time, red ones fly around the map to a level. If Mario selects any levels they are on, he can obtain a Fire Flower, 1-Up Mushroom, Mini Mushroom, Mega Mushroom, or a Blue Shell from the blocks. The yellow Flying ? Blocks also appear throughout levels, too.
New Super Mario Bros. Wii
In New Super Mario Bros. Wii, Flying ? Blocks make another appearance. This time, they function the same way as in New Super Mario Bros.
Super Mario Galaxy 2
In Super Mario Galaxy 2, Flying ? Blocks make chirping noises similar to a real-world bird, and neither they nor their immobile counterparts can be Ground Pounded. Additionally, if Flying ? Blocks are hit, they will vanish right away, instead of turning into a normal Block.
Super Mario 3D Land
They later return in Super Mario 3D Land, and are found in several levels. This game also introduces Flying Coin Blocks, which do not lose their wings until they are emptied. In certain levels, it is required to ride on them to get a Star Medal.
New Super Mario Bros. 2
They appear again in New Super Mario Bros. 2. Now, they can appear as regular ? Blocks, and get wings to fly when are hit. They will fly forward in the level a bit before stopping and rising up in the sky. In certain levels, riding these kinds of Blocks can lead to secret areas.
New Super Mario Bros. U
This blocks also appear in New Super Mario Bros. U with the same functions as in previous games.
Flying ? Blocks reappear in Yoshi's Safari, and can be shot at with the Super Scope to drop items. They appear throughout courses or after defeating mini-bosses, and come in two colors: yellow and dark green. Yellow variants carry Coins, Super Mushrooms, 1-Up Mushrooms, Fire Flowers, Big Coins and even Super Stars. Dark green variants appear after defeating mini-bosses and drop items used for boss battles such as Clocks, Nuts, Super Mushrooms and Super Stars.
Mario Party 9
A flying ? Block in Mario Party 9 has the ability to spin the middle of it.
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