| 摘要 |
PROBLEM TO BE SOLVED: To provide a stereoscopic playing board set which enables easier operation of pieces on playing board surfaces and easier determination of how the pieces are put in a type which has a plurality of piled up playing board surfaces set. SOLUTION: In the playing board, transparent playing board surfaces are piled up parallel on the horizontal and the plurality of board surfaces are set one upon another in multiple stages while held at intervals so proper as to operate the pieces at arbitrary points arranged within three-dimensional spaces by hands inserted thereinto. COPYRIGHT: (C)2003,JPO
|
