Artec Educational Lie Detector by Artec Educational at Friends Discovery Park. MPN: 95055. Hurry! Limited time offer. Offer valid only while supplies last. Make your very own Lie Detector which will measure current flow through your body and show the reading on the meter! Have fun while learning about electrical current and resistance.Learn about how tell if you're friends are telling the truth. Catch your brother or sister in a fib. Perfect for at home learning.
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