| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable game device which permits one to three-dimensionally play gobang or tick-tack-toe. SOLUTION: The plane 1, the plane 2 and the plane 3 of at least three tiers of squares arranged in parallel and horizontally are divided into at least 9 sections 4 in the form of a network, and low barrier stopper means 5 are formed around each of the sections 4. Many balls 6 of two kinds different in color can be alternately extractably inserted into desired sections 4. COPYRIGHT: (C)2006,JPO&NCIPI
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