Bounces off guy’s butt-grind.
Cat Attack Bounces Off Guy’s Butt-Grind
The Cubli is a 15 × 15 × 15 cm cube that can jump up and balance on its corner. Reaction wheels mounted on three faces of the cube rotate at high angular velocities and then brake suddenly, causing the Cubli to jump up.
Tiny Cube Can Jump, Balance, Walk