In an effort to keep us away from the inside of the device, the Nabaztag engineers used security screws which have a triangle head. This is a common security screw on electronic devices. In fact, Content Manager at TechRepublic, Bill Detwiler, purchased a special, double-secret probation, Tri-Wing screw driver for his Cracking Open of the Nintendo Wii
. So the two screws on the bottom of the Nabaztag were easy pickings.