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Bubble Pops are simply objects that are found during in levels in the events of Yoshi's Story.
These objects appear just in every level in the game. These Bubble Pops commonly contain fruits such as Apples, Bananas, Grapes, Watermelons, and Melons as Yoshis like eating them. A Yoshi can pop the Bubble Pops by simply throwing a Yoshi Egg or attempting to run into the Bubble Pop hard enough to pop out the Bubble Pop. When the Yoshi bumps into one, they move around when the Yoshi bumps into it as they float in the sky. These objects occasionally just float or move around the area of the level above the ground. In some levels in the game, a Bubble Pop contains a Heart Fruit that can actually help the Yoshi. Other times, these Bubble Pops contains surprises that actually looked like Surprise Balls. Bubble Pops that has Surprise Balls in it can contain White Shy Guys, Living Heart Coins, or a Heart Fruit to help the Yoshi in some levels.