Purchase 5000 Rainbow Stars and get 1500 bonus* Rainbow Stars. Use Rainbow Stars to get wacky and unique customizations, including character item sets and costumes, from the in-game store. Plus, use them to unlock Prize Bulbs along Festival Prize Maps in Plants vs. Zombies: Battle for Neighborville. Customizations are cosmetic.

Go to https://www.xbox.com Login to your account Hover over your account link (the top right of the screen) a menu will appear, click on the "Redeem Code" button. On the next page, click "Redeem" Enter your code Click "Confirm" Click "Confirm" again to assign the key to your account.