Unverified85% confidenceDecision RuleTime unknown

1-2岁幼儿选4-6件大件套装（大铲子、大水桶）即可，件数太多小配件反而增加丢失和误吞风险；3-6岁可选8-15件带模具的套装满足造型创作需求

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Unverified零件数量与趣味性权衡：零件越多（>30件）组合造型越丰富但幼儿易挫败且丢件风险高，18个月-2岁建议整套零件≤15件，3岁以上可选30-50件的进阶套装85% similar Unverified3-4岁幼儿选职业套装应优先配件数量少于8件、单件尺寸大于5cm的款式，小于3cm的配件（如听诊器接头、螺丝钉道具）有误吞窒息风险78% similar Unverified按年龄阶梯选购：0-1岁软胶/布艺→1-3岁大颗粒（Duplo类）→3-6岁小颗粒基础套装→6岁以上主题/机械/编程套装，可复用地基保持兴趣延续77% similar

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