Appearance of 3-year old child on soft chair is shown like an animal for cute showing to heighten the sense of love between the child and parents. Different from existing soft chair, the seat and back support have the design with bio-engineering method to set the correct posture of infants. The weight of 2.5kg or less allows child to freely move around to play. If the outer fabric is contaminated during the use, the zipper is easily opened to wash and replace the slip cover in its design.