Spy Science Intruder Alarm

4M Spy Science Intruder Alarm- Unit: each. Stop those unwanted intruders!Connect electrical circuits and construct a kick wire door alarm. This kit contains a plastic platform, accessories, metal pegs, an electric buzzer, wire, string, a trigger, and a battery case. Requires two AA batteries, which are not included. For ages 8+

Specifications. Weight: 0.46 lbs