Digit Standard Abacus 10.5 Inches - Professional 13 Column Soroban Calculator (Functional and Educational Learning Tool)

An Ideal Montessori Math Tool: Using an abacus as a math manipulative can effectively teach children how to count, equate, and compute mentally. Modern and Durable: This 13-digit professional soroban abacus is made of wood and measures 10 x 3 x 0.9 inches, making it both modern and durable. Great Portability: Weighing only 9.9 ounces, this compact and handy abacus can be easily taken anywhere. Its rounded edges prevent injury, and it never runs out of power. Arithmetic Education Must-Have: This abacus is an important teaching supplement for grade-schoolers' education. It can be used in remote learning or homeschooling settings and is also a proven useful learning device for the visually impaired.