Rainbow Box

Rainbow Box is mysterious box that gives pretty cure powers and it first appeared in episode 9 Even though it's box it seems like it's alive, because it's always said as "Rainbow Box will decide to give you powers when is right time." It has many diffrent powers and no one know all of them. In episode 14 Mikoto and Kuroko found out that inside the box is other world. To get in Rainbow Box turn you smaller, but if you take anything from world inside Rainbow Box you'll stay small until you return that thing.

Trivia

 * Rainbow Box might be similiar to Clover Box and Healing Chest.