| 摘要 |
The game board features a display disk situated between upper and lower layers. The display disk has a plurality of radial columns of information which are rotated under display windows in the upper layer. A removable drive hub engages the disk through a central recess in the upper layer. Channel sectors in the lower layer limit the rotation of the hub and disk. The upper and lower layers each consist of two sections hingedly joined together. Folding of the game board is accomplished by aligning the fold line on the disk with the hinge line between the two game board sections.
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