SMB2 Glitches: Mushroom Block

[Bananadine]

this only works if you have the initial printing of the game, or one of the later printings

[100Goomba]

i was in 7-2 at that area where is 2 mushroom bloks and a chain i threw the mushroom block at the chain and it disappered

[Wirtualnosc]

I dunno, but I think, yes. :)