Segway's newest self-balancing vehicle is an egg-shaped wheelchair - The Verge
Seated Segway, inexpensive option : r/wheelchairs
Segway - Wikipedia
Blumil Seated Segway to Modify Your Segway for Improved Comfort
Amazon.com: Segway Ninebot Mecha Kit, Applicable to Electric Self-Balancing Scooter, Human-Body Sensor in Joystick, Mobile App Integration (Not Included Ninebot S) : Sports & Outdoors