The item is a practical and portable abacus. Manufactured with premium wood and metal material, very sturdy and practical for a lasting use, great for rapid calculation. This wooden abacus is a professional learning tool in any math abacus course, and a nice choice for kids' early mathematics education. Features -Color:As Shown -Material:Wood, metal -Size:28.50X12.00X2.00cm/11.20X4.72X0.79in - Adoption of 13 digits rods design, this vintage abacus is suitable for students, children, accountants, etc. - Designed to train children in abacus mental arithmetic to improve their numeracy ability, brain development and so on. - Arithmetic design, not only practical, but also decorative, also suitable for collection, decorate your office, living room, study, etc. - This abacus for adults is made of premium material, safe, durable and practical for long time to use. - Education tool for teacher or a gift for abacus collectors, this students learning abacus is of multiple uses.Package List1 x Abacus