Virtual Boy exclusive software: Mario's Tennis. This is a new, unused item. It has been opened to check the contents. Includes: outer box, game cartridge, instruction manual, and a flyer with warnings. Although it is new, there is some age-related soiling on the outer box. Thank you for your interest. - Brand: Nintendo - Game Title: Mario's Tennis - Platform: Virtual Boy - Genre: Sports Game - Language: Japanese - Accessories: Instruction Manual