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Product Name : 11 Rods Abacus Soroban Beads Column Kid School Learning Aid Tool Math Chinese Traditional abacus Educational toys for children
Product Size : 21*9*1.5cm
Product Weight : 76g
The family is very little practical teaching , the baby can be cognitive, ten, hundred, thousand, million, is an ideal teaching aid for parents to baby enlightenment education. A simple calculation tools abacus is Han inventions. The beads of an abacus operation convenient, fast, for thousands of years has been the calculation tool widely used in Han, even the most advanced modern electronic calculators cannot completely replace the abacus.