for use with role playing games or any other game that uses multiple dice of various types. Features roll up to twenty 3, 4, 6, 8, 10, 12, 20 or 100 sided dice at a time. Assign up to 24 custom die rolls. Custom die rolls can test for success or failure against a value or compute AD&D 'To Hit' armor class. Large buttons for finger touch or stylus control.