World 4 (Yoshi's Woolly World)
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World 4 is the fourth world of Yoshi's Woolly World. It is a mostly jungle-themed world, featuring elements related to forests and water. As in all other worlds, there are nine levels: eight compulsory, and one special level that is unlocked after all other Smiley Flowers in the previous levels in the world are collected. Completion of this world unlocks World 5.