Amazon.com: Robot Kit 2-Wheel Self-Balancing Robot Car Kit, WiFi Smart Robot Car with 2-DOF HD Camera, Obstacle Avoidance, Follow Function, Ultrasonic Sensor, Android/iOS APP PC Remote Control Robot Toy : Electronics
nBot, a two wheel balancing robot
2 Wheel Self Balancing Robot - YouTube
SuperDroid Robots - Wheeled Robot Kits
2 Wheel Drive Arduino Robot Platform
Building a Two-Wheel Balancing Robot | with LG XBOOM Go Speakers - YouTube