Amazon.com: SpyX / Lazer Trap Alarm – Safe Laser Alarm Toy for Spy Kids to Protect Stuffs. Invisible Infrared Beam Spy Gadget for Kids. Motion Sensor/Detector Toy for Boys & Girls :
Spy Net Laser Trip Wire - Outdoor Toys - Toys and Games | GMV Trade
NEW Spy Gear - Lazer Tripwire High-Tech Security System 3 Laser Units - Rare! | eBay
Laser trip wire — just like in the movies – EEJournal