4M Spy Science Intruder Alarm Set

Includes: Plastic intruder alarm case set with cover and base platform Battery holder with switch and wires installed Buzzer with wires installed Metal pegs, plastic pegs, trigger plate, wall mount, trigger plate holder, string, double adhesive tapes, door plate Detailed instructions in full color

Requires two "AA" batteries (not included).

For ages 8 and up.