| 摘要 |
PROBLEM TO BE SOLVED: To provide a jigsaw puzzle having a large number of small assemblies to be combined by which a user can assemble one small assembly and then assemble a large number of assemblies. SOLUTION: The jigsaw puzzle has a base and a large number of puzzle piece blocks separatably positioned on the top face of the base. The puzzle piece blocks comprises a plurality of corner piece block having a first mark for showing to be arranged at the corners of the base, a plurality of side piece blocks having a second mark for showing to be arranged in the side portions of the base, and center puzzle pieces surrounded by the corner puzzle piece blocks and the side puzzle piece blocks. COPYRIGHT: (C)2006,JPO&NCIPI
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