The only equipment it requires is a keyboard, although you can also use a mouse to play. -=-=-=-=-=---=--=---=-==-=--=-==-=--==-=- Knights of Xentar - Guide and Walkthrough - PC - GameFAQs
The game would prompt you with a specific request: "Align the Sapphire with the world of Xentar" . You would pick up your physical wheel, manually rotate the cardboard layers until the Sapphire icon lined up with the correct world name, and then peer through a tiny window to find a 4 or 6-digit sequence. knights of xentar code wheel