HYHP 2 Pcs Plastic Abacus Soroban Calculator, Arithmetic Soroban Kids Calculating Tool (13 Digits Rod with 7 Colors Beads, Movable Beads)

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

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

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

Yellow Mountain Imports Digit Standard Abacus (10.5 in) - Professional 17 Column Soroban Calculator - Both Functional and Educational Learning Tool

Vintage-Style 17 Digit Rods Wooden Abacus Soroban Chinese Japanese Calculator Counting Tool w/ Reset Button 14"

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.

Learning Resources 2-Color Desktop Abacus, Red Frame, Color Coded, Ages 5+

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

13 Digit Rods Standard Abacus Soroban Chinese Japanese Calculator Counting Tool 8"

Wooden Abacus,Soroban 13 Column (10.75") Math Abacus for Toddler Kids Out with Anti-Skid Rubber Feet and Reset Button