With this great Office Espionage Kit, you'll have everything you need tp spy on your co-workers and find out what they are sayaing about you! You can eavesdrop on a board meeting, stake out key office locations, sabatoge a rival's essential documents, or even send coded messages to fellow agents. The kit includes a micro listening device, an invisible ink pen, mirrors for making a spy periscope, and an espionage handbook.