Amazon.com: Segway Ninebot S Smart Self-Balancing Electric Scooter, White & Ninebot S Kids, Smart Self-Balancing Electric Scooter, 800 Watts Power : Sports & Outdoors
Amazon.com : InMotion V12HT Electric Unicycle, The Ultimate Hill Climber 45° Max Slope One Wheel Adult Self-Balancing Unicycle 16inch Wheel with Powerful 2800W Motor and 37.5mph Max Speed : Sports & Outdoors