Ball-shaped drone BOUNCES around buildings and disaster zones | Daily Mail Online
Blend Swap | Spherical Drone
Spherical drone
DOCOMO Develops World's First Spherical Drone Display - LEDinside
Spherical Drone Display Looks Like 360-Degree Flying Screen | Live Science
Amazon.com: Mini Drone 2.4Ghz RC Remote Control Quadcopter Spherical Folding Four-axis Drone Toys for Kids and Adults Beginners - Headless Mode, 3D Flip, One Key Return, Black : Toys & Games
Spherical drone
A Spherical Flying Machine With No Control Surfaces : 3 Steps (with Pictures) - Instructables
OSU developing drone to help in disasters | Oklahoma State University