Welcome to our shop, your support is our greatest motivation. All products are sold at low prices, we guarantee quality.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 root and cube root 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: Wooden - Size: 24.6x12.2cm / 9.68x4.80inch.Package Includes:1 Piece Abacus
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