UC Mass Counter, Colorful, 9 Columns, Plastic

Yossi Mas 9-Column Abacus is a 9-column abacus that trains the child in arithmetic operations such as addition, subtraction, multiplication and division, whether simple or complex, quickly.The child needs daily and continuous training on using the abacus and performing arithmetic operationsLearning to use an abacus helps teach you a new way to count and how to add, subtract, multiply, and divide using supplementary numbersLearning the abacus provides children with the skills they need to improve overall academic achievement, confidently take on life's challenges, and achieve greatnessIncreases logical, mathematical, and problem-solving ability. Increases the speed of calculation​