This is a set of Shichida-style Kyou Kyou Ban (shape blocks) and stringing beads. Perfect for learning shapes. - Brand: SHICHIDA - Contents: Basic and Advanced sets - Shapes: Triangles, rectangles, and other silhouettes The Kyou Kyou Ban has some signs of use as shown in the second photo, but there is no writing on them. The stringing beads are clean. Please understand that these items have been used by a child. Discounts are available if you purchase addition, multiplication, and other CDs together!