This pen writes like normal, but the ink disappears when heat is applied and can be made to reappear when placed in the cold.
Discreetly carry your laptop on your back and under your jacket for maximum mobility and security.
A cleverly concealed portable charcoal grill disguised as an easy to transport stainless steel briefcase.
These cool new USB Cufflinks hide a 2GB flash drive and a portable high-speed WiFi hotspot right in plain site.
Inside you can discover hundreds of covert pop-cultural and historical curiosities, government cover-ups, marketing tricks and practical secrets.
This covert GPS device monitors and tracks a car's activity and provides a detailed report of places, routes, and speeds traveled.
These reusable vinyl wrappers look just like real soda pop can labels so you can instantly convert a beer can into a soda can and noone would be the wiser.