Koguma-kai Puzzle & Stringing Set Purchased as a spare and stored at home. A very valuable set for early childhood education, essential for entrance exams. Enhances fine motor skills in early childhood. Polyomino Puzzle: New, unopened Two-Tone Puzzle: Sample Book 1, New, unopened Two-Tone Puzzle: Sample Book 2, New, unopened Triangle Puzzle: Shape-Making Sample Book, Used once Triangle Puzzle: Pattern-Making Sample Book, Opened, new condition Stringing 4x4: Sample Book, New, unopened *Small scratches on the case, please check the photos. Stringing 4x4: New, unopened Stringing 2x6: New, unopened Elementary School Entrance Exam, Kindergarten Entrance Exam