| 摘要 |
A manipulative disk puzzle comprised of three identically shaped pieces which interfit to form a geometric solid which appears to have the form of a plurality of stacked disks. Each piece has a plurality of disk tri-sections which are integrally fastened to one another and offset from each other approximately 60 degrees. The pieces are also provided with a plurality of holes in which manipulative pegs are inserted having a depth equal to two layers. Thus, when the pegs are between two separable surfaces the interfitted pieces are locked together.
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