From the Super Mario Wiki
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Super Mario series
Super Mario Bros. 2
Super Mario Bros. 3
In Super Mario Bros. 3, if a Buster Beetle gets its hands on an Ice Block, it will throw it at high speeds towards Mario or Luigi. If the player picks one up, he can only hold it for a short time before it disappears. When thrown, it can defeat enemies in one hit, not having to throw multiple ones at them.
Another rarer Ice Block also exists, it is transparent and can be melted by fireballs from Mario/Luigi's Fire form. Some contain coins, while others contain Munchers. Lastly, there are Ice Blocks that are just slippery platforms; these Ice Blocks come in normal size (about the size of a Brick Block) and giant size (about the size of four Brick Blocks). All appear mostly in Ice Land.
Super Mario World
A few Ice Blocks make a small appearance in the level Awesome of the Special World. In this game, none can be picked up, because they all are slippery platforms. They appear as light blue Rotating Blocks. The grabbing function of the block is incorporated into Grab Blocks.
Super Mario Sunshine
Super Mario 64 DS
New Super Mario Bros.
New Super Mario Bros. Wii
In New Super Mario Bros. Wii, there are five types of Ice Blocks: ice blocks that consist of enemies frozen by an Ice Flower, ice blocks that can be picked up and thrown at enemies in World 3 (they can't hurt players, unlike Barrels), frozen-over Snake Blocks called Ice Snake Blocks that only appear in World 3's castle, giant ice blocks (in the same level mentioned) that can only be destroyed using Bob-ombs, and ice blocks that only appear in World 9-7, which, as in Super Mario Bros. 3, can contain Coins and Munchers and can be melted with fireballs from a Fire Flower or enemy.
New Super Mario Bros. 2
New Super Mario Bros. U
Ice Blocks also appear in New Super Mario Bros. U. They once again act as platforms, but some can also act as an obstacle to the player because the Fire Piranha Plants cause them to fall, and can instantly squish Mario, killing him in one hit. These blocks are only in the level Piranha Plants on Ice.
Super Mario World 2: Yoshi's Island / Yoshi's Island: Super Mario Advance 3
In Super Mario World 2: Yoshi's Island, they serve as slippery obstacles that cannot be picked up, but can be melted by Yoshi's fire breath after eating a Super Red Watermelon, Podoboo, or Pyro Guy. Some Ice Blocks hide items. In this game, the blocks simply look like a block of ice.
Yoshi's Island DS
Super Mario Maker
Ice Blocks appear in Super Mario Maker, although they only appear as slippery platforms in all four level styles and therefore cannot be picked up. They also cannot be melted with fire. They are given new sprites for the Super Mario Bros. and Super Mario World styles.
Nintendo Badge Arcade
Ice Blocks from the Super Mario World style of Super Mario Maker appear as collectible badges in Nintendo Badge Arcade.