Build It: The Balloon Trick [Book Cover]

Build It: The Balloon Trick

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作者:
Era Publications
插畫:
Nathan Kolic
推薦:
K-4
描述:
Worksheet units 2.1 observable propertiesWorksheet units 2.2 changing materialsWorksheet units 2.3 combining materialsWorksheet units 2.5 materials & influence

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