2015 Segway Other , Mini Smart Waterproof Self Balancing Electric Unicycle Scooter balance 2 wheels cruising distance 10km to 18km Easier: Two wheels, two motors. Much easier to learn. Safer: Double balancing systems to keep you in balance. Small and light: Weighs only 10kg, can be taken everywhere. Maximum Speed: About 10km/h. $350.00 6466535250
