Design
The Craziest Skateboard Ever Can Walk Down Stairs
Po-Chih Lai's "Stair Rover" is meant to conquer the rugged streetscape of London.
Can the design of the simple skateboard be improved? Po-Chih Lai thinks so, although it took him seven different attempts before he settled on an eight-wheeled monster that "walks" down stairs.
Model No. 8, pictured above, is Lai's final whack at the perfect urban board. He calls his baby the "Stair Rover," and explains its genesis this way via e-mail: