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顯示所有 6 個結果

預設排序 依熱銷度 依最新項目排序 依價格排序:低至高 依價格排序:高至低

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  DIY 七彩聲樂管 (震動頻率與音調)

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  DIY 八管排簫 (震動發聲,管長改變音階)

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  DIY 橡筋四弦琴 (震動發聲)

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  DIY 聲音的產生實驗套(幾種產生聲音的器材)

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  DIY醫生聽筒 (固體導聲) stethoscope

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  紫光驗鈔機 (認識紫外線) DIY Fluorescent Light Detector

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