The second way is to give 7 regular stars to the seagull inside the Town Hall, in exchange for just 1 Rainbow Star. Doing this will give the player between 3 (by losing) to 5 (by winning) Rainbow Stars. The first, and main, way to earn Rainbow Stars is to enter the Mystery Portal inside the Town Hall, and complete events inside it. Rainbow Stars may normally be obtained in only two ways. The player can hold a maximum of 50 Rainbow Stars at a time. In the Town Hall, The chest on the left (yellow) costs 10 Rainbows Stars to open the chest on the right (blue) costs 30 Rainbow Stars to open the chest in the middle (red) costs 50 Rainbow Stars to open. They are a variant of Stars, and are used to open special chests inside the Town Hall or to unlock the chest (costs a total of 75 rainbow stars, 15 for each lock) past the final portal from completing the DLC. Zombies: Battle for Neighborville that were introduced in the Trials of Gnomus DLC.
Rainbow Stars are a special currency in Plants vs. For other uses, see star (disambiguation).