The Bros. Ball is a move learnt by Mario and Luigi during the game Mario & Luigi: Partners in Time. The move is taught to them by Toadsworth and Toadsworth the Younger in an attempt to calm down Baby Peach in Princess Peach's Castle. The move requires the Bros. to combine together in such a position where they resemble a ball. This allows them to move faster, enter passages once inaccessible, and hit certain switches.

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