The Rainbow Necklace (レインボーネックレス Reinbō Nekkuresu?) is a special item appearing in Rainbow Islands, Parasol Stars, and Rainbow Islands Revolution. In Rainbow Islands and Rainbow Islands Revolution, it grants the player all seven Diamonds and unlocks the Secret Room for the current world. In Parasol Stars, it causes a Miracle that defeats all enemies in the current round, and grants the player three Star Mystery Crests, unlocking an exclusive Secret Room that contains the 100,000 Yen Coin.
