Add this Boss Expansion: Shadow to your Sonic the Hedgehog: Battle Racers collection, featuring a pre-painted miniature of Shadow, who you can use as your new favorite Racer or as a Boss you must defeat. This expansion also comes with new Boss Cards, plus an all-new set of Tracks: The Oil Ocean Zone! Combine the Oil Ocean Zone Tracks into your game to create exciting races with an ever-changing variety of obstacles and challenges!