C4657 - LIE DETECTOR

  • Sale
  • Regular price $11.95 CAD

Only 5 In-Stock Remaining.

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"!