Simple to build kit emits a tone which changes with amount of skin resistance between two fingers. If you are relaxed, a lower pitched tone will be heard. Fun to use and great for parties. Features 2 copper touch plates on circuit board and small speaker. A fun "poor man's lie detector"!
Operates from 9V battery (not included).
Size of circuit board: 2" square.
Complete with all parts, PC board and instructions.
Skill Level 1.
( Shipping Weight: 40 Grams )