Snap Circuits - Custom Storage CaseA safe and fun way to introduce children ages 8+ to the basics of electrical engineering! Build exciting projects and toys using the included colorful instruction book! FUN AND FUNCTIONAL: Will your kid play tunes on a radio built from scratch or quiz you with a homemade lie detector? With this kit, they can do both! Projects include sound activated switch, adjustable light controller, AM radio, lie detector, rechargeable battery and so many more!