| 摘要 |
PURPOSE: A chain block toy is provided to enable three-dimensional block assembly in various shapes having multi connection directions with three basic plane blocks. CONSTITUTION: A male coupling portion(10) of the chain block toy is connected to a female coupling portion(20) of another chain block toy to make an assembly. An assembly aperture(22) having engaging jaws is formed at the center of the coupling members, which are formed at both ends of the female coupling portion(20). The male coupling portion(10) has a projection intersecting in four directions to couple with the assembly aperture(22) of the female coupling portion(20). The projection is protruded in one direction.
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