When you are on the map, press "b" and it your item menu will come up. Then press "enter", and that will use whatever item you chose.
press B then select one and press space bar.
yes
you can't
one when you can get new items
some you find in treasure chests
It is really hard to get the fireworks on New super Mario bros. You have to complete the level by a specific time range and you get those fireworks. Not only that, you can get the mushroom house(chance of winning items to your inventory), 1-up house(get a chance of winning a bunch of 1-ups) or a Star house(automatically get 1 star to your inventory)
No but there is some for items and levels
You don't get badges, you get items.
use regular attack
Ghosts and maybe bananas.
password super mario3
No, they are just to show what items you have encountered. That is how it seems. Japanese games often have trophies and other sorts of things like this.
Toads are little mushroom type people. THE Toad is the specific Toad who is in games like Mario Kart or Super Mario Sluggers. He has a hat with red spots.