D.I.Y. Lie Detector Soldering Practice Electrical Engineering Kit for Beginners Compact and portable

Compact and portable

User friendly for kids

Seven decades

Speed adjustable between approx

The patrol had stumbled upon what can only be described as an alien spacecraft engaged in clandestine observations of Earth

D.I.Y. Lie Detector Soldering Practice Electrical Engineering Kit for Beginners Compact and portableThis kit can be great fun at parties. Lie and an audible tone will change. The more you lie the louder the tone. When you lie your hands sweat. This kit allows you to measure these changes; only a very slight amount of change will cause the tone to increase in frequency. Power requirement 6 to 12 v DC. Size: 0. 8" x 1. 2". BEGINNER KIT: Requires little or no previous knowledge of electronics. Basic soldering techniques required for circuit board