Amaze your friends and prank them with your new spy gadget. This logibloc kit allows you to create custom circuits using colour-coded electronic building blocks. Over 10 projects and applications are included such as Secret Message Recorder, Door Chime, Talking Drawer, and more. All Logiblocs interact with each other. Combine this kit with the other Logibloc Kits available to increase the power and flexibility of your experiments!