Purchase 1000 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.

*Requires Plants vs. Zombies: Battle for Neighborville on applicable platform (sold separately), all game updates, EA account and persistent internet connection.