Las tablillas son objetos cuya función se desconoce. Su forma es rectangular, de distintas dimensiones. La gran mayoría son planas pero hay ejemplares ligeramente curvos. Las primeras se recuperaron en el interior de unidades habitacionales y, en Bolaños, se tiene un solo ejemplar curvo asociado a un entierro. Este tipo de objetos muestra una amplia diversidad decorativa; puede ser pintada, punzonada, incisa o esgrafiada, pero siempre alrededor de un centro cuadrangular con líneas entrecruzadas. La distribución abarca los principales sitios de Zacatecas y Jalisco con variantes locales. ENGLISH: Tablets in the Bolaños Culture and their Probable Function. Tablets are objects whose function is unknown. Their shape is rectangular with variable dimensions. The great majority are flat, but there are slightly curved specimens; the former were recovered inside housing units and, in Bolaños, there is a single curved specimen associated with a burial. These types of objects have a wide diversity of decoration; they can be painted, punctured, incised or engraved, but always around a quadrangular center with crossed lines. The distribution of the tablets encompasses the main sites of Zacatecas and Jalisco with local variants.