A Hoverboard is a fictional hovering

Levitation

Levitation is the process by which an object is suspended by a physical force against gravity, in a stable position without solid physical contact...

 board used for personal transportation in the films Back to the Future Part II

Back to the Future Part II

Back to the Future Part II is a 1989 American science fiction comedy film and the second installment of the Back to the Future trilogy. It was directed by Robert Zemeckis, written by Zemeckis and Bob Gale, and starred Michael J. Fox, Christopher Lloyd, Thomas F. Wilson and Lea Thompson...

 and Back to the Future Part III

Back to the Future Part III

Back to the Future Part III is a 1990 American science fiction comedy Western film. It is the third installment of the Back to the Future trilogy. The film was directed by Robert Zemeckis and starred Michael J. Fox, Christopher Lloyd, Mary Steenburgen, Thomas F. Wilson and Lea Thompson. The film...

. Hoverboards resemble a skateboard

Skateboard

A skateboard is typically a specially designed plywood board combined with a polyurethane coating used for making smoother slides and stronger durability, used primarily for the activity of skateboarding. The first skateboards to reach public notice came out of the surfing craze of the early 1960s,...

 without wheels. Through special effects the filmmakers depicted the boards hovering above the ground. During the 1990s there were rumors, fueled by director Robert Zemeckis, that hoverboards were in fact real, but not marketed because they were deemed too dangerous by parents' groups.