A set of class specific dice with a magician's book inside. Who knows what magic is hidden in the dice?
The dice are typically used for the table role-playing games Dungeons and Dragons, Pathfinder and Call of Cthulhu, etc.
The set contains the classic 7 dice: d4, d6, d8, d10, d12 and d20.
Note that there can be great variation in these types of dice.