Fast shipping. Package as a robot on the monowheel. Yellow parcel as a robot on the mono-wheel, standing on a white surface. 3D Illustration Stock Photo - Alamy
Monowheel C01 | It's just a matter of balance... I tried for… | Flickr
Fast shipping. Package as a robot on the monowheel. Yellow parcel as a robot on the mono-wheel, standing on a white surface. 3D Illustration Stock Photo - Alamy
Unicycle robot keeps its balance while standing still | New Scientist