Here are some tips that apply to Final Fantasy Crystal Chronicles: The Crystal Bearers. As a reminder, this title is available on Wii.
New Game +
Finish the game and start over. The objects are stored and can start the games arcade to improve his score.
Rare Objects
Take the Shuttle and ballots AMN docks 1 and 2. Read them and press B to win an object rare. You can repeat as many times as you want.