Hoverboard made to exactly replicate the one used by Michael J. Fox in ''Back to the Future II'', signed by the cast of the hit film. Hoverboard is signed in black ink by cast members Michael J. Fox (Marty McFly), Christopher Lloyd (Doc Brown), Thomas Wilson (Biff Tannen), and Lea Thompson (Lorraine Baines). Made of molded plastic, hoverboard measures 28'' long, 8'' wide and approximately 3'' tall, with shoe straps and Velcro grips. Very good plus condition. With COAs for each signature from Celebrity Authentics.