Mushroom is a power-up in Mario series...when mario or anyone eat that they will grow up!...in MBAV..it has many appear in this series!..for example when all thrown to mushroom kingdom!..mario ate that mushroom and has grown up!..also mike did that thing!..but it has no effect for him!..because he's not from mushroom kingdom!...
These mushrooms can also used in Karts where you want to boost your kart speed!
Trivia[]
1-This mushroom is oposite of posion mushroom which kills someone!..
2-Toads are people that they have hat with the same mushroom's head
3-SMB and SMB2 are the only games that mushroom didn't have eyes!