| 摘要 |
PURPOSE: Provided is an assembly block toy which is capable of all-directionally binding, whereby it is possible to make various formations of structures, thereby helping mental ability of children. CONSTITUTION: The block toy includes regular hexahedrons with the inside empty. Each corner has a regular triangle shape. At the center of the corner, a second connecting hole is formed. At each surface of the hexahedrons, a first connecting hole is formed. Around the first connecting hole, a plurality of inserting holes are radially disposed. The inserting holes have the same diameter with the first connecting holes. Between the insertion holes, a insertion protrusion is raised perpendicular to the surface of the hexahedron.
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