Welcome to Castle Toys!
Continue Shopping
Canada-Wide FREE Shipping for orders $149.99 or more!
Learn the science of connecting an electric circuit. Construct your own door buzzer and place it behind your door. Stop intruders from your room. It's cool and fun! Contains: plastic platform and alarm casing, 1 set of plastic accessories, metal pegs, electric buzzer, electric wire, string for alarm trigger, and detailed instructions.
