http://www.thinkgeek.com/gadgets/electronic/8c52/
basiclay it beeps randomly so near imposable to find. runs for days on a single battery. Reading about one guy in another forum put it behind a whitebord in his bosses office, the guy went ape shit trying to find it drove him nuts for 3 days
Ticking off that anoying guy in the office
Moderator: RLG MGMT Team
another fun one
http://www.thinkgeek.com/geektoys/warfare/8b46/
http://www.thinkgeek.com/geektoys/warfare/8b46/