Hoverboard...
[http://youtu.be/qXsKrQiGWkQ] (YouTube link)A little girl wants a hoverboard like those in the 1989 movie Back to the Future Part II, but building one is difficult. So she finds a workaround. This film by Sydney Freeland...
http://www.neatorama.com/2013/04/06/Hoverboard/

