they new tracks and a new item called lucky 7 ad it's in 3D
Mario can have 8 karts and 8 bikes.
There are unique & useful go carts or karts. These go karts are four wheel type vehicles with the unique use as activity for kids & the adult who like to ride these vehicles.
Nintendo
To get 36 karts on "Mario Kart DS", you have to come in first on every race and cup.
Yeah
32
bees
Get gold trophy in grand prixs to unlock karts and characters.
Loads!
By Beating cups
When you hack the game.
COOL ones!