During the driving boss stage, press A or B to make the horn honk. You can only hear it on the Wiimote though.
Ever been tired waiting to read what the level is about? Hold B and the explanation at the bottom of the screen will zoom by so you can read it much quicker.
Beat Tiny Wario to unlock Multiplayer. The newspaper next to Single player option on the selection menu will fall away the next time you try to choose it, and the Multiplayer option will be underneath.
Complete all multiplayer mini-games to unlock the rare, hidden toy.
Instead of the chauffeur use the remote control or the umbrella
Balloon Trip: You must finish Dr Crygor's workout stage.
Block Star: You must finish Young Cricket's Microgames.
Can Shooter: You must finish Ashley's Microgames.
Pyoro S: Play all of the microgame from every character(to see what you need, go to the Temple of Form, click story - if there is a flower by that character, you have played all of their microgames).
Tortoise & Hare: You must finish Orbulon's Microgames.
Tower Tennis: You must finish Kat & Ana's Microgames.