-From October 18th, 2012 through November 15th, 2012, you can decorate your Nintendo handheld system with the Pumpkin Pikachu C-Gear skin. This exclusive C-Gear skin is only available for Pokémon Black Version 2 and Pokémon White Version 2. This promotional offer will only show up if you've already registered your Game Sync ID for either Pokémon Black Version 2 and Pokémon White Version 2.
1.Log in to the Pokémon Global Link
2.Click on "Promotions"
3.Click on "Add Halloween fun to your C-Gear!"
4.Click on "Submit"
5.The Pumpkin Pikachu C-Gear skin will appear the next time you use the Game Sync feature in the game.