Hunter Kowald Hoverboard Drone
Technically speaking, a hoverboard refers to a levitating board used for personal transportation, with many iterations features in science-fiction. Despite the many attempts at developing a fully-functional hoverboard, there has not been one yet that could be deemed practical for everyday use. Inventor Hunter Kowald tried his hand at one, and despite being functional, it may be years until we see a production version, if at all.