The Ukiki Capsule is a collectible capsule that appears in Mario Party 5. The character has the option of either using the capsule on themselves for a ten coin fee, or they could throw the capsule on the board, which will create a "trap" space that any character can land on it and receive its effects. When a character uses the Ukiki capsule, Ukiki will appear in front of them on a vine. He will then ask the character to pick an opponent from him to attack. Ukiki will then wrestle the opposing character, causing them to lose all their capsules. The capsules they lost will then be thrown onto random spaces on the board. The Bone Capsule and Miracle Capsule will be thrown on the board, but it will not create a trap space.

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