Sealike Portable 13 Column Abacus Arithmetic Soroban School Math Learning Tool with a Stylus

Abacus Mind Math Level 1 Workbook 1 of 2: Excel at Mind Math with Soroban, a Japanese Abacus

Abacus Mind Math Level 1 Workbook 2 of 2: Excel at Mind Math with Soroban, a Japanese Abacus

Wowlife 13 Digits Rods with Colorful Beads Plastic Abacus Arithmetic Soroban Kid's Calculating Tool

Lowpricenice Plastic Abacus Arithmetic Soroban Kid's Calculating Tool 17 Digits

Learn to do Math With Soroban a Japanese Abacus: Learn how to add, subtract, multiply, divide and find square roots with this easy to use instruction guide.

Abacus Mind Math Instruction Book Level 1: Step by Step Guide to Excel at Mind Math with Soroban, a Japanese Abacus (Volume 1)

How To Use A Japanese Abacus: A step-by-step guide to addition, subtraction, multiplication, division, square roots and practical examples for the Japanese abacus (Soroban).

The Abacus: The World's First Computing System

Yellow Mountain Imports Classic Abacus, Soroban Calculator, 10.5 Inches, 17 Column

Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks