| 摘要 |
Expandable piñata is a decorative container constructed from sheet materials connected at the edges, which can be shipped and stored flat. An internal expandable brace is activated by pulling external cords that draw brace into the expanded position, causing piñata body to flex into a three-dimensional body with fillable chamber. Score lines optionally direct flexing into a faceted shape. Lock mechanism holds brace in the erect configuration, with adjustable degree of expansion. Piñata body is resilient and compresses brace, to engage lock automatically and maintain expanded configuration.
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