Discover the truth about lie detection with this fun detector. Strap on the headband, attach the skin moisture clips to two fingers, adjust the dials on the detector, and ask the suspect a simple "Yes" or "No" question. The machine will think. The red or green light on the headband will light up. The plot will thicken. But does the detector tell the truth? The interesting facts included about the art of lie detection are true. Great pretend-play fun. Requires 3 AAA batteries (not included). For ages 8 and up.
