[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

1-2岁选大颗粒(Duplo级,约3.2cm起),2-4岁可用中颗粒,5岁以上适应标准小颗粒(1.6cm级);颗粒过大反而降低5岁以上儿童的精细动作训练价值

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Long-term
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