Description Made of aluminum alloy material, this abacus is safe, durable and practical for long lasting use, featuring 13 digits rods design, suitable for students, children, accountants, etc. This abacus aims to train children in abacus mental arithmetic to improve their numeracy ability, brain development, etc. Features - Color: Silver. - Material: Aluminum Alloy. - Size: 26.00X8.00X1.50cm/10.22X3.14X0.59in - Made of aluminum alloy material, safe, durable and practical for long lasting use. - 13 digits rods design, suitable for students, children, accountants, etc. - Aimed to train children in abacus mental arithmetic to improve their numeracy ability, brain development, etc. - Chinese style, also suitable for collection, decorate your office, living room, study, etc. - Education tool for teacher or a gift for abacus collectors.Package list: 1 x abacus