15 Digit 7-23 Digit Rods Standard Abacus Soroban Chinese Japanese Calculator Counting Tool Mathematics Beginners Caculating Toys

Features : Educational Gender : Unisex Model Number : Abacus Arithmetic Material : Plastic Recommend Age : 3-6Y,6-12y,14+y Certification : CE Feature: A nice tool for kids' early mathematic education. Soroban style abacus, great for rapid calculation. Can be used as classical calculator in office, education tool for teacher or a gift for abacus collectors Specification Material:Plastic Color:brown/as picture shown Size:22*6.3*1.5 cm(8.66*2.48*0.59in)/ as picture shown Quantity:1Pc