Learn the science of connecting an electric circuit and construct your own door alarm!
Put together your kick wire door buzzer and place it behind your door. Stop intruders from entering your headquarters!
Contains: A cool cyber-looking plastic platform and alarm casing, 1 set of plastic accessories, metal pegs, electric buzzer, electric wire, string for alarm trigger, full colour detailed instructions and a door warning "dare you enter - highly sensitive intruder alarm installed".
A cool and educational spy gadget for you to assemble!
Requires 2 x AA batteries (not included).