Unverified90% confidenceFactTime unknown
超轻粘土（含微空心球）密度约0.3g/cm³，风干后自然硬化不需烘烤，适合做立体造型摆件；油性彩泥（plasticine）永不硬化可反复使用，适合低龄反复捏塑训练
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90%
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Long-term
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