| 摘要 |
A construction toy having a plurality of equilateral triangular construction elements adapted to be sequentially interlocked together to create a variety of free form constructions. Each triangle is transparent, flexible, made of resilient plastic, and has locking slots extending from the triangle vertices toward the triangle centroid. The locking slots have a working width less than the triangle thickness which allows the triangles to be firmly interlocked together. The locking slots also have a length of approximately three-sevenths of the distance from a triangle vertex to the triangle centroid.
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