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What are Sound Waves? (Light and Sound Waves Close-up)

Smith, Paula
16.38 SGD
会員価格
14.75
English

Product Description

Kids will enjoy learniing about the concept of sound waves in this entertaining book. Readers will learn how sound waves are used for communication and be able to demonstrate this knowledge by creating their own sound devices.

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Usually dispatches within 3-4 weeks

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