Do Not Open Until 1985 Weight has nothing to do with it – this Back To The Future Mini Hoverboard Collectible w/ Magnetic Finger Sneakers is heavy! This licensed collectible features a tiny hoverboard replica and finger-sized Nike Air Mags that attach to the board. This figure may not actually float, but your kids are gonna love it. This Hoverboard Collectible Doesn’t Need Roads Great Scott — a mini version of the hoverboard from the Back to the Future films! This Back To The Future Mini Hoverboard Collectible w/ Magnetic Finger Sneakers set includes a 3.5″ hoverboard replica, display stand, a full-color magnet, and mini magnetic sneakers for your fingers that stick to the hoverboard.