A vanish block vanishes shortly after it is touched at any direction regardless of how hard you touch it.
Screen shot 2011-06-22 at 11.03.14 AM

Vanish Block

A vanish block reappears shortly after it vanishes and has the same properties. You cannot place a mine on a vanished vanish block since the vanish block would reappear. Vanish blocks cannot be moved. The Top Hat lets you pass right through vanish blocks.

List of Blocks
All Blocks 12292014

Basic Block(1,2,3,4)-Brick Block-Finish Block-Ice Block-Item Block-Infinite Item Block-Arrow Block(Left,Right,Up,Down)-Mine Block-Crumble Block-Vanish Block-Move Block-Water Block-Rotate Block(Left,Right)-Push Block-Happy Block-Sad Block-Safety Net-Heart Block-Time Block-Egg Minion