[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

小颗粒积木(如标准乐高、启蒙、森宝)适龄下限普遍标注6+,其颗粒拼插咬合公差在0.1mm级,5岁以下孩子手部精细动作达不到易产生挫败感,建议4-6岁作为大小颗粒过渡期

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