23 Column Wooden Frame Abacus One-key Reset Math Arithmetic Counting Tools for Bank Accounting Students 35 x 6.3 1.6

Description

The abacus is a classic form of calculator characterized by a system used before numbers were written and is still used by merchants, traders and clerks around the world Using the abacus as a math tool is a great way to teach kids how to mentally count, equalize and count Abacus measures 14.1 x 2.6 x 0.7 inches (35 x 6.3 x 1.6 cm). Beads are made of high-quality ABS plastic Chinese style, also suitable for collection, decorate your office, living room, study, etc