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-Altoid Container
-PC Board (Radioshack-$2.00)
-2 NPN Transistors
-9 Volt Battery
-Piezo Transducer (Noise-Maker)
-Transformer
-Phototransistor
-0.47 uF 50v Capacitor
-9v Battery Clip
-Wire (insulated)
-100K Resistor
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