A Sort of Segway-Roomba-Pilates Surveillance Ball – Core77.com (blog)

A Sort of Segway-Roomba-Pilates Surveillance Ball
Core77.com (blog)
Those little knobs you see on the rough-terrain version will apparently make it better able to traverse sand, mud or snow. There's no word on whether the ball can also be used for Pilates, like the bottom of the E-Volo Multicopter, but I'm sure their …