Hidden in a backpack or sports bag, this motion detector & alarm will alert the owner of any intruders. Even a slight movement will trip the alarm. Children will love learning how to build it themselves.
Age: 10+ years old
Size: 9V battery
Made In: Germany
Material: alarm beeper, switch, battery clip, wire, capacitor, resistors, collet, grommet, shrink tubing, nuts and bolts and wire end ferrules. A 9 volt battery is needed to power the motion detector.