Chinese Abacus Math Calculation Tools Ancient Calculator 13 Rows Black

Welcome to my store, we have many kinds of price products, we launch new products every day, please follow my store and pay more attention, for more products, Please click on the seller information to enter our store to buy, we hope give you a pleasant shopping experience. Thank you and have a nice day!Description:The abacus also called a counting frame, is a calculating tool, Chinese abacus dates to the 2nd century BC, Knowns as the Suanpan.Abacus can be used for functions other than counting for elementary schools kids, very efficient suanpan techniques have been developed to do multiplication, division, addition, subtraction, square and operations at high speed.13 Rows Vintage Chinese Wooden Bead Arithmetic Abacus, there are two beads on each rod in the upper deck and five beads each in the bottom, The beads are usually rounded and made of a polished hardwood. Non-toxic and very durable.Conducive to cultivate and improve children's computing power, memory and attention, Espacially for elementary Kids.Good for school elementary math teaching aids and Kids addition and subtraction counting.Specification:Material: WoodenSize: 24.6x12.2cm / 9.68x4.80inch.Package Includes:1 Piece AbacusVintage Wooden Abacus;Chinese Abacus;Vintage Abacus;Wooden Abacus Antique;Wood Bead Arithmetic;Ancient Calculator;Mathematics Calculator Abacus;Calculator Counting Tools

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