This game helps children to learn to distinguish between colours and to recognize opposites. The game also trains motor abilities. A variant of the game, Bücher Salat, is a 'threading game', the symbols of the dice must be correctly combined and players thread Benni through the corresponding book. The first player running out of books wins the game. In the variant 'Bücher schnappen' reaction is added, where the symbols must be combined and the correct book snatched up from the table. The player who grabs the most books wins the game.