From the Super Mario Wiki
A Brick Block, sometimes simply known as a Brick, is a block that has made an appearance in nearly every Mario platformer to date. As its name implies, Brick Blocks are blocks made of bricks.
In all Mario platformer games since Super Mario Bros., Mario or Luigi can only break this block as Super Mario (or Super Luigi) or another form of Super Mario, such as Fire Mario or Cape Mario. By jumping into it from beneath (or ground pounding in some games), the Brick Block shatters, giving the player ten points (fifty in Super Mario Bros.). If Small Mario hits the block, it just bounces up slightly. Either way, an enemy walking on the brick will be injured. However, if Brick Blocks contain an item, the item is released, regardless of Mario's status, and the Brick Block turns into a Used Block. Although Brick Blocks are absent in Super Mario World, Rotating Blocks play similar roles and replaced the existing Brick Blocks. In Super Mario Bros. 3, Brick Blocks were yellow due to graphical limitations.
Brick Blocks may contain the following:
In Super Mario Sunshine, Brick Blocks appear again, in the secret levels. However, they are otherwise no different from their earlier counterparts. Starting in New Super Mario Bros. and New Super Mario Bros. Wii, Brick Blocks can also be Ground Pounded to break them.
In Super Mario 64 DS, Cork Blocks are re-skinned to resemble Brick Blocks, though they behave the same as in Super Mario 64. This visual change does not affect Crates. They can be broken by most of Mario, Luigi, and Wario's attacks. There is also a large, black variation of the block that can only be broken by Wario. Yoshi cannot break any Brick Block unless he is under the effects of a Super Mushroom.
Brick Blocks also appear in other games, such as the Paper Mario games.
Brick Blocks reappear in the Nintendo 3DS Mario game, Super Mario 3D Land. They also reappeared in New Super Mario Bros. 2 and New Super Mario Bros. U. Three of these games are sharing a similar use to past 2D side-scrolling Mario games.
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