| 摘要 |
A cylindrical sliding block jigsaw puzzle includes a barrel as a support; multiple arcuate sliding blocks combined together to construct a pattern on an outer periphery of the barrel; and an unslidable block detachably attached to an empty area defined in the outer periphery of the barrel. Beside being playable as a sliding block jigsaw puzzle, the cylindrical sliding block jigsaw puzzle also can be used as a pen container or a money box.
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