This is a Chinese style Abacus, made of stable material, this abacus is safe and practical for use, 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:Multi -Material: Plastic -Size:21.70X9.00X1.70cm/8.53X3.54X0.67in - Adoption of stable structure, and this Abacus is suitable for students, teenagers, accountants, etc. - Aimed to train children in Abacus mental arithmetic to improve their numeracy ability, brain development, etc. - Made with fine workmanship, Chinese Abacus can be applied for a lasting time and many times. - Chinese style, also suitable for collection, decorate your office, living room, study, etc. - Education tool for teacher or a gift for abacus collectors, and this Abacus is very multi-functional. Package list: 1 x abacus (13-column)