The invention relates to a device (1) comprising cubes (3) rotating and movable on themselves threaded onto a charger-reader (2) on which letters of the alphabet are printed (16) in a random manner. This interface device allows players to search by decoding encrypted words previously programmed discreetly by an animator. These operations are carried out by the players by manipulations on the mobile cubes (3), according to their intuition and knowledge in order to gain the points necessary to be the winner of the Figure part to be published with the abstract: Fig. 5
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