Abacus

This Melissa & Doug abacus features colorful wooden beads and activity ideas.

Melissa & Doug Abacus - Classic Wooden Educational Counting Toy With 100 Beads

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【High-quality materials】This 17-digit professional soroban abacus is made from quality ABS plastic, Shiny smooth beads durable and sturdy, measures

Vaupan Digit Standard Abacus Soroban Professional 17 Column (10.2 inch) Math Abacus, Math Calculating Tool with Reset Button for Adults Kids(Brown)

Abacus PNG Transparent Images Free Download, Vector Files

Kids can count on this wooden calculator for years of play and learning! The Melissa & Doug Abacus is beautifully crafted with a solid hardwood base, and 100 brightly colored wooden beads. The sturdy frame holds 10 thick-coated wires with 10 colorful wooden beads on each -- 100 beads in all. Younger kids can slide the beads back and forth to explore different patterns and colors, while practicing their fine motor skills.

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The earliest abacus dates to 2700 BC when it was used in Mesopotamia to calculate the Sumarian sexagesimal number system. Over the millennia, it was

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