Every amateur detective in the 1960's desired this toy. There are 24 cartoon criminals and one of them has committed a crime. You need to solve this mystery by interrogating all the suspects with the Lie Detector machine. To begin with, all these suspects not only look guilty, but they look familiar! If you acquire this game, notice how many real people that you know actually resemble Lie Detector suspects.

Lie Detector still holds up as a very fun game, and I personally feel that it is because of the superb artwork. Mattel re-issued this game as Spy Detector with different artwork, and it did not sell nearly as well. Pressman released an updated version of Lie Detector in the 1980's, also with different artwork, and some different suspects.

To play Lie Detector, the Suspect Cards are divided among the game players. One of the six red and black square "Guilty" cards is inserted into the back of the Lie Detector machine with all players unaware of which card and which suspect's name is inserted into the machine. One by one, each player questions the suspects by taking their suspect cards, placing them over the front of the Lie Detector and inserting the Lie Detector's wand through the hole in the suspect card and into the Lie Detector itself. The Teacher's testimony is that the guilty person has a "moustache". Her card is placed over the machine and tested by inserting the wand though the hole in the card. If her testimony is false, a bell rings and the needle on the Lie Detector machine points to false. If it is true, no bell rings and the needle points to "True".

Updated: 13 April 2021

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Mattel Lie Detector value and price guide

What's your Mattel Lie Detector worth? Here are some recently sold items.

Picture Title Date Price
1987 original lie detector scientific crime 1987 Original Lie Detector Scientific Crime... 03/2021 £35.00
no pictureSee all sold items on eBay for more prices05/2021£-.--

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