Item Boxes are the main and most important items in all Mario Kart games. They are simply colorful boxes with a question mark inside them. That is probably because you cannot get any items without these boxes. Plus, who knows what item you're getting. You can get items by driving through them. Once they've been driven through, after a short while another appears. The type of item you're going to get depends on what place you are in. If you were in last place you could get a Starman, Red Shell, Lightning, Golden Mushroom, Spiny Shell or POW Block. If you were in 1st place you'd get nothing but Bananas, and Green Shells. You could get Red Shells if you were behind the opponent in 1st place. You can get a Thunder Cloud from these item boxes so be careful. By pressing the button to throw items, shortens the time it takes to give you an item. Once you've driven through these a biox to the top left corner of the screen will appear and spins items until it stops. Most Item Boxes rotate themselves, but some in Mario Kart: Double Dash!! appear as traffic in Mushroom Bridge and Mushroom City.