Secret Agent Lie Detector Kit

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Your mission? Build your very own lie detector and put your friends to the test. This clever cardboard kit teaches you the basics of electronics while you construct a working detec tor that measures electrical resistance. No scissors or glue needed - just snap it together and start experimenting. Discover cool facts about electricity as you play, and watch everyone's reactions when you reveal who's fibbing. Packed with easy-to-follow instructions and a fun fact booklet to keep the learning going. Perfect for curious kids aged 8+. Requires one 9V battery. Show more