Using regletas (rods) and counting games to introduce number concepts.
64-page book, often spiral-bound or containing loose-leaf sheets for easy removal.
Prior to the late 1990s, preschool materials were often fragmented. In 1996, the first official national material for this level was distributed, and by , the SEP refined these resources into the "Material para actividades y juegos educativos". This version was essential in standardizing the quality of early childhood education across the country, ensuring that even the most remote schools had access to high-quality, research-backed instructional aids. Core Components of the Material
The 1999 guidelines emphasized that the teacher should act as a mediator, modeling the use of materials while allowing children the space to explore at their own pace.
The publication , issued by the Mexican Secretaría de Educación Pública (SEP) in September 1999 , represents a significant milestone in the evolution of preschool education in Mexico. This 64-page resource was designed to provide educators and families with a structured yet flexible framework for using play as a primary pedagogical tool. Context and Educational Impact
Large-format visual aids used for group storytelling, observation, and identification exercises.