The KidzLabs Intruder Alarm is the perfect kit for science-minded kids. Learn the science behind building an electric circuit and build your own kick wire door alarm. Install it in your bedroom and stop those unwanted intruders breaking in! Product features: Build your own kick wire door alarm Customise your own warning sign Includes: alarm platform, alarm cover, battery holder with cover, buzzer with wires installed, trigger plate holder, wall mount, connection plate, trigger plate, 1x plastic peg, 3x metal pegs, 3x screws, string, double-sided adhesive tape, door plate, instructions Approximate Dimensions: 22 x 17 x 5 cm Battery requirements: 2 x AAA (not included) Suitable for ages 8 years +