Shortcuts 2
Delfino Square: Use your Mushroom through the mud and avoid the walls.
Mario Circuit: Use a Mushroom to boost through the Piranha area.
Peach Gardens: Use your Mushroom through the grass right at the start.
Bowser Castle: Turn right after the "spinner" to enter a different area.
Theres loads more info this game, right here, with some cheats and tips, answers and Mario Kart DS walkthrough.
Comments for this hint