[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

夹取物越小、越圆滑,锻炼精细动作难度越高但吞咽风险与挫败感也越大;大颗粒毛球最安全易成功但精细度锻炼有限。3岁前优先安全与成就感(选大毛球/软块),3岁后再过渡到小圆珠提升难度

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85%
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Long-term
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