High-quality materialsThis 17-digit professional soroban abacus is made from quality ABS plastic, Shiny smooth beads durable and sturdy, measures 25*6.4CM, comes with a handy reset button. Educational Learning ToolMake math practice more effective; Using an abacus for kids' math is a great way to teach them how to count, equate and compute mentally. lucky AbacusSymbolizes the beautiful meaning of opportunity and wealth. the classic professional soroban abacus still used in parts of the world by merchants, traders, and clerks. It's also a great decoration for your home! Awesome Gifts IdeaYou could never miss this educational toy if your kids have shown interest in mathematics. It enables your kids to do simple counting and more complicated calculations. The abacus is a delightful and educational gift for boys and girls. 100% Satisfaction GuaranteeIf you have any questions, please feel free to contact us, we will provide you with the most satisfactory service.