Abacus Calculation Tool for Kids and Adults
Vintage Chinese Wooden Bead 5 Rods Arithmetic Abacus for Children Adults. The wooden abacus tool is a great gift for your kids or friends.
Wooden Abacus Calculation Tool
Wooden Abacus Calculation Uses classic ancient pattern design, exquisite workmanship. Chinese Wooden Abacus Mathematic Learning can situmulate childrens imagination and creativity.