When Michael J. Fox's 'Marty McFly' travelled into the future world of 2015 in Back to the Future Part II, hoverboards were the skateboards of the future and one of the coolest things in special effects to happen in a 1989 movie (at least when I was a kid anyway).
Original hoverboard props featured in Back to the Future II
Check out two other hoverboard designs from the movie sequel here at Hollywood Movie Costumes and Props.
Back to the Future II movie poster
Hoverboard prop used by Thomas F. Wilson as Griff Tannen
Hoverboard prop used by Darlene Vogel as Spike
If you like these props, check out the infamous DeLorean car and miniature models from the Back to the Future Trilogy on display.