Unverified80% confidenceTradeoffTime unknown
木料越硬成品越耐久越有成就感，但对握力和工具要求越高，低龄儿童易受挫；软木易上手但成品脆易坏。5岁以下优先易操作性(选软木)，8岁以上可选硬木换取成品质感
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80%
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Long-term
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