[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

质地柔软度与保湿持久存在矛盾:过软的橡皮泥含水量高、更易粘手且干得快,过硬的适合大龄儿童塑形但小童捏不动。3-5岁选中等硬度(用食指轻压能陷入约0.5cm)最合适

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