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75-In-One Electronic Project Lab

$39.25

Everything You Need to Build:
• Timer Buzzer • Electronic Organ • Sound-sensor Timer
• Sound Alarm • Motion Detector • Four-level Photometer
• Burglar Alarm • First-Aid Siren • Two Stage Timer Sound
• Photo-level Alarm • Pulse Width Modulation • Voltage Detector
• Logic Tester • Water Level Alarm • Conductivity Tester
• Electronic Coin Toss • Sound Level Meter • Optical Volume
• Motion LED • DC to DC Converter • AND MANY, MANY MORE!
Requires four (4) “AA” batteries (part # 590001).
Uses spring hook-up method
Ages 10 & Up