Lie Detector


Science Kits > Kosmos


  • Build your own working lie detector.
  • Ask your friends or families questions and test if they tell the truth or not.
  • Different levels of beep sound and LED display to show how nervous the testee is.
  • Includes necessary tool for you to build.
  • Easy to assemble with step-by-step instructions.
  • Instructions include the explanation of the science behind the radio.
  • No soldering required.

Additional Information

Material: ABS
Battery Type: 2 x AA/LR6 (not included)
Manual: German
Age: 8+years