- Cool kit teaches the science behind lie detection - Uses a 9V battery that you supply - For ages 8+
Make Your Friends Sweat Under Pressure!
Discover how a lie detector works by assembling this thought-provoking kit. By amplifying a marginal, safe amount of current flowing through your body, the meter’s needle will move! Kids will have fun while learning about electrical current and resistance. You will need to supply tape, scissors, a 9V battery, and one brave little volunteer! For ages 8+.
Paper main body — 1
Paper base — 1
Analog meter — 1
Circuit board — 1
Aluminum plate — 1
Double-sided tape — 1