The Color Keys

The Color Keys (カラーキー Karākī)  is a key-like collectible item that appears in Rainbow Magic Precure. Each of the girls receives theirs from Graye and it can unlock The Silver Lock to help the girls transform into there alter egos, "The Rainbow Magic Precure".

Appearance
The Color Keys resemble simple golden keys with a heart shaped bow at the top with each having a different color or in some cases a different shape.

Trivia

 * The Rainbow Magic Precure are the only Precure to have key themed collectible items.
 * They were originally owned by Irokuku's royal family, and, they were created by blacksmith.