Sonic Adventure 1 Wall Scrolls. These are large 28.5 x 40 inches pieces of cloth. It has 2 plastic bars to hold it streight. When Sonic Adventure 1 was released, there were 4 or 5 of these made, each equal in size and quality. The first is in SonicGear's personal collection! You can see the Dreamcast logo in the corner, proving it is official. Sonic Is there another scroll? They are highly reccommended, due to great graphics and awesome quality! They have become uncommon.