R/B Crystal Holders (ルーブクリスタルホルダー Rūbu Kurisutaru Horudā) are containers used by the Minato brothers to store their R/B Crystals. Rosso's side is called the R/B Crystal Holder Rosso (ルーブクリスタルホルダーロッソ Rūbu Kurisutaru Horudā Rosso) and Blu's side is the R/B Crystal Holder Blu (ルーブクリスタルホルダーブル Rūbu Kurisutaru Horudā Buru)


It is a simple case that opens up to reveal slots that store up to four R/B Crystals.


Ultra Powers, Traits, and Objects of Interest
Powers and Traits Ultraman Title | Ultra Beam | Ultra's Inner Light | Color Timer | Beam Lamp | Sluggers | Protectors | Ultra Horns | Bracers and Bracelets | Solar Energy Absorption | Forehead Crystal | Light Crystal | Body Crystals | Ultra Armor | Mental Abilities | Ultra Language | Human Hosts/Forms | Dimensional Field | Star Marks
Ultra-Related Items Transformation Item | Specium | Ultra Bell | Ultra Key | Ultra Mind | Plasma Spark | Ultlive | Childhood Radiation
Series Collectibles and Holders Spark Dolls | Cyber Cards | Ultra Fusion Cards | Ultra Fusion Card Holder | Kaiju Cards | Ultra Capsules | Ultra Capsule Holder | Kaiju Capsules | R/B Crystals | R/B Crystal Holder | R/B Crystal Collection Case | Ultra Taiga Accessories | Ultra Medals | Z Holder | Kaiju Medals
Other Media Plasma Ore | Ultraman Suit | Ultraman Factor
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