Boulder

Boulders are objects throughout the Mario series of games.

In Donkey Kong 64, Boulders appeared as obstacles. Only Chunky Kong could lift them, and they could be used to solve puzzles or defeat enemies. In this game, they were dark green in color.

In Super Mario Galaxy they can hurt Mario if they touch or roll over him. So far it is known that they are semi-common obsticles that appere in several galaxies, including the Egg Planet Galaxy and the Honeybee Galaxy. They may make more appearances in the full game.