Abstract: An air bubble operated underwater ornament kit including components for installing an air bubble operated underwater ornament for an aquarium. The kit provides a base, an air supply tube to form air bubbles in the water, and various ornament bodies having respective movement bodies that move upon release of the air bubbles toward each movement body, which include a skeleton riding a motorcycle having a motorcycle underside for a movement body whereby a front wheel of the motorcycle rises; a pair of opposing skeletons with one skeleton having a hand attached to a barrel disposed therebetween for a movement body whereby one skeleton rises and moves toward the other skeleton; and a motorcycle having a rear wheel with blades radially disposed on a tire thereof for a movement body whereby the tire spins.