Unverified80% confidenceFactTime unknown
EVA泡沫材质平衡木自重轻（通常1-3kg）易被孩子推翻但摔落无硬伤，实木款稳固但边角撞击疼痛，家用低龄优先泡沫软木，3岁以上求稳定选实木
1
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80%
Confidence
Long-term
Relevance
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