Back to The Future 2 Griff Tannen "Pit Bull" Hoverboard | eBay. (Yes. You can buy this.) I swear that in childhood I heard on TV that these things were going to be real in the near future. Other people my age have shared similar memories. Was it just a late 80s playground legend or was it really announced by some guy in a suit (who then, if I remember, threw one to the ground and, when it failed to hover, smiled and shrugged as if to say, "Oh well.")?