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The Rocket is an item in Super Mario Bros. 2. It can be randomly plucked from the ground, just like Vegetables, and acts as the "door" to the next level, taking Mario, Luigi, Toad or Princess Peach upwards. After a certain height, the player's character jumps out of it, and it explodes shortly afterwards. It only appears in Worlds 4-2 and 7-1. In the Super Mario-Kun adaption, Mario, Luigi, Yoshi, and Toad defeat Clawgrip with a rocket.
Rockets make another appearance in Super Mario 3D World. After Meowser is defeated, the Sprixie Princesses will build a rocket in World 1, which leads to World Star set in space. Rockets also appear at the ends of Worlds Star and Flower, both of which lead to the next world after the players have met the requirements.
Rockets will return in Super Mario Odyssey, working as they do in Super Mario Bros. 2. However, Mario must capture them with Cappy to use them, and like in Super Mario 3D World, they are reusable and do not explode.