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【多種規格】電子積木 15個/33個/56個/91個/124個零件 Electronic Circuits BlocksIntegrated Circuit Building Blocks Experiments Educational Science
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【多種規格】耐壓膠管 Braid Reinforced Air Hose
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高精度數顯分貝儀噪音計 Sound level meter High precision digital sound metre decibel meter noise meter
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音叉一對（聲音產生及共振現象）
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抽氣真空鐘罩演示器 Bell-in-a-vacuum-jar Sound Experiment
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仿古魚洗實驗盆（共振銅盆）
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兩用氣筒 （教學用）
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【多種規格】乳膠管
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DIY簡易電話組裝材料
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電鈴原理實驗套裝 Electric Bell Experiment Set Electromagnet
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