* Released PlayFacto app- It is not a simple brain development play learning tool. It is possible to learn by directly linking game-based play learning through teaching aids with the regular mathematics curriculum.- PlayFACTO that provides various game types and difficulties in one teaching box!- It is not a textbook that only provides manuals or combines Korean curriculum concepts with imported teaching aids.With a specialized curriculum that thoroughly links textbooks and teaching aids, perfect integrated education between textbooks and teaching aids is possible.- PlayFACTO allows children to solve workbooks suitable for their age and grade level so that they can naturally get used to learning on the ground, and parents can check their childs understanding and progress.