Just spotted this on BBC News
BBC NEWS | Technology | OAP unicycle unveiled in Japan
"Car-maker Honda has unveiled a prototype of a battery-powered unicycle, deigned for the elderly.
The one-wheeled U3-X "personal mobility vehicle" can travel at speeds up to six kilometres (3.7 miles) per hour and was shown off in Tokyo, Japan.
The sit-on design allows a rider to move by leaning their weight in the direction they want to travel"
BBC NEWS | Technology | OAP unicycle unveiled in Japan
"Car-maker Honda has unveiled a prototype of a battery-powered unicycle, deigned for the elderly.
The one-wheeled U3-X "personal mobility vehicle" can travel at speeds up to six kilometres (3.7 miles) per hour and was shown off in Tokyo, Japan.
The sit-on design allows a rider to move by leaning their weight in the direction they want to travel"