Color:yellow Abacus is the traditional Chinese calculator that has been used for thousands years. It is called Suan Pan in Chinese which means calculation plate. An abacus is a great arithmetic tool for teaching kids how mathematics works. It provides visual tool for young kids to learn math.This abacus is 10 inch x 4 inch, and it weighs about 0.6 pounds.It has 13 rods, and has 2 heaven beads above and 5 earth beads below.
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