| 摘要 |
PURPOSE: Jigsaw parts are formed three-dimensionally to assemble a thing, when they are properly collected in positions, to activate for melody production for fun in a closed circuit. CONSTITUTION: A thing is 3-dimensionally divided into many puzzle parts that assembles the original thing to form an integrated circuit that activates playing a melody or any other activities. The original assembly may have a groove recession to fit each part into a position to form a circuit for action.
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