The Build Your Own Lie Detector kit will appeal to anyone who enjoys science and building. Suitable for children over the age of 8, the kit includes all you need to make your own lie detector kit that really works.  Full instructions are included so that you can find out the truth, the whole truth and nothing but the truth.

Features:

• Build Your Own Lie Detector kit
• All parts and full instructions included
• Requires 1 x 9V battery (not included)
• Not suitable for children under the age of 8 years