The 8 Wheeled Skateboard That Can Cruise Down Stairs
As a former skateboarder , I know how frustrating it can be to come up agai... ...st want to go home. That's where Po-Chih Lai's 8 wheeled Stair Rover comes in, with specially designed piv...
https://www.neatorama.com/2012/06/23/the-8-wheeled-skateboard-that-can-cruise-down-stairs/
