最終更新日：2024/08/01
A form of spinning top that will spin preferentially in one direction (rattling, then reversing, if spun in the other direction).
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rattleback
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A form of spinning top that will spin preferentially in one direction (rattling, then reversing, if spun in the other direction).
rattleback
DiQt（ディクト）
無料
★★★★★★★★★★
