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4M Doorbell Making Kit

4M Doorbell Making Kit

全館消費滿千免運 on order

NT$480
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Description

  • 叮咚!叮咚! 每次聽到這個清脆聲音就知道要去應門了
  • 不過你知道門鈴發出聲音的背後，蘊含了什麼科學原理嗎?
  • 快點自己動手做做看，讓你的門鈴也發出美妙的聲音吧!

產品規格
材質：紙、塑膠、金屬
適合年齡：8 歲以上
包裝尺寸：約17x22x6 cm 
內容物：機身、鈴、線圈蓋、L 型蓋子、電池蓋子、槌子、線圈、調節支架、槌子支架、螺絲墊 圈、螺絲釘 X8、調節器、電線和金屬環、長螺絲釘和螺母、端帽 X3 (須另外自備: 1.5V AA 電池、十字螺絲起子)
產地：中國

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