Instructions
Insert the GameShark into your Game Boy Advance system.
Place your "Pokemon Sapphire" cartridge inside the GameShark's cartridge slot.
Turn on both the GameShark and the Game Boy Advance.
Enter any of the the following codes in the GameShark cheat entry menu that appears on the screen:
908e10f19a78
This will make Rare Candy appear in your inventory. Repeat the code as many times as you like to replenish your stockpile.
2co7922d6798
6cb4bccfe08b