Abstract: An expandable piñata includes a plurality of legs, each leg comprising a plurality of triangular panels hingeably connected via hinge lines, each triangular panel having a proximal end and a terminal end, the terminal ends of the triangular panels converge, and each triangular panel including an inner and an outer surface; each leg hingeably adjustable between a first, substantially flat configuration, and a second expanded configuration in which the inner surfaces of the triangular panels define a cavity; each leg further including one or more tabs hingeably connected to the proximal ends of the one or more triangular panels, and a tab connected to a triangular panel of a first leg coupled to a tab connected to a triangular panel of an adjacent leg; and a locking device connected to two of the plurality of legs and configured to maintain the plurality of legs in the expanded configuration.