The chair is all made of Japanese traditional wooden boxes (Masu). It is the chair where you can also feel the beauty of a Masu. This project is to make an important child's chair using a Masu that was once treated as a lucky charm. This chair is not only to make, but also to enjoy the process. This process of growing both the baby, the parents and the chair. The chair like an annual ring of wood that makes history, like stacking blocks. This chair creates a catalyst for communication between parents and children. This chair is a chair where you can feel the child's growth by stacking a Masu.