A stool, a sofa, a sofa, a stool. "STOOLFA" is a furniture piece integrates both of the functions, a stool and a little sofa for children.The idea was originated from the relationship between parents and children. To create secure environment for kids with parents surrounded. Height was also a major concern. Parents can seat at their right ergonomics and kids can seat comfortably without their feet hanging in the air. "STOOLFA" can be joined together with three pieces, four pieces, or even an endless seating system.