Collectibles Prop Read Time : 5 Minutes Beyond The Marquee Goes Behind-The-Scenes With Mattel’s ‘Back To The Future 2’ Hoverboard Replica March 6, 2012 YBMW Staff The lucky bastards at Beyond The Marquee got to go behind-the-scenes at Mattel’s HQ to take an in depth look at Mattel’s upcoming “Back To The Future 2” Hoverboard.