This unique series: is based on the sounds in the competency-based curriculum has been harmonized with all the sound aspects of the competency-based curriculum to build the learners' vocabulary and enrich the language learning environment uses sounds as building blocks to a breakthrough in literacy exploits and differentiates sounds that are often confused uses multimedia to help learners transition faster to basic literacy facilitates the acquisition of the four language skills of listening, speaking, reading and writing in an integrated way includes parental engagement activities have interesting activities that stimulate learning.