| 摘要 |
An educational construction, for use by both children and adults, includes a plurality of identical geometrically-shaped construction pieces, which are adapted to be interconnected together to form a variety of construction configurations. Each construction piece is nine-sided, with three of the sides substantially equal in length, the remaining six sides somewhat shorter and substantially equal in length, and with the sides defining various angular relations. Interconnecting projections and grooves are provided to facilitate the interconnection of the construction pieces, one to the other. The construction pieces may be fabricated in a plurality of colors, to add a further variable when the construction pieces are connected together to form the construction configurations.
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