| 摘要 |
PURPOSE: A polyhedron cube is provided to develop human intelligence and to improve aesthetic sense. CONSTITUTION: A polyhedron cube comprises a three-axial frame, a fixed block(120), a rotary block(130), and a corner block(140). The three-axial frame is formed with six joints. The rotary block comprises a fixed block installed at each end of the three-axial frame, four first rotary blocks which are inserted between lower and central fixed blocks, four second rotary blocks which are inserted between upper and central fixed blocks, and four third rotary blocks which are installed between first and second rotary blocks. The corner block is installed to be engaged with the rotary block between rotary blocks.
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