Your mission is: to make a lie detector kit! Discover the secrets of your own lies with the Secret Agent Lie Detector Kit. Aspiring detectives can use this fun and educational novelty kit to become a secret agent and learn about electricity. Aspiring agents can use the kit to make their own lie detector and unveil the truth! Full instructions and 'fun fact' booklet included, with a basic introduction to electronics and no scissors or glue required. Measures 7.8 cm x 7.8 cm x 11.2 cm when assembled. For children 8+ and to be used under direct supervision of an adult.