Daniel Wood and David Martschinkse pitched their self-balancing electric unicycle on a Season 4 episode of "Shark Tank." What ...

When self balancing scooters hit the market a few years ago they brought alongside them a range of machines, from the hoverboard kids toys which have provided so many useful parts, to the stand ...

Following is a transcript of the video. This is a monowheel. It's most similar to a unicycle but you sit INSIDE the wheel. Hunter Howell: My name is Hunter Howell. I'm an action sports athlete and ...