But the ultra-simple Urb-E claims to the the worlds lightest foldable electric scooter, and its undoubtedly one of the worlds most bizarre. The prototype device making its public debut at CES 2014 is undoubtedly an eye-catcher — with bright colors and polka-dot metallic frame — though whether thats a good thing is a matter of personal taste. And the 15-mile-per-hour electric motor made us the envy of all others when navigating the crowded showroom floor of the Las Vegas Convention Center.