Do the math with this classic vintage style wooden abacus featuring 17 columns (17 digits) and a well-crafted wooden frame.

·Timeless Reliability: A calculator in its classical form, the abacus/soroban features a system used before written numerals, and is still used in parts of the world by merchants, traders, and clerks

·An Ideal Montessori Math Tool: Make math practice more effective; Using an abacus as a math manipulative is a great way to teach kids how to count, equate and compute mentally

·Classically Crafted Wooden Set: This 17-digit professional wooden soroban abacus comes with a mechanical reset button; It measures 13.9 x 3.7 x 1 inches (35.3 x 9.5 x 2.7 centimeters) and weighs 1lb (0.45kg); Beads are made from quality ABS plastic and secured on metal rods

·Non-Marring Anti-Skid Rubber Feet: Keeps the abacus from sliding around while in use and protects your table surface

·Arithmetic Education Must-Have: Manipulative tools such as this abacus is an important teaching supplement for your grade-schoolers' education; It can be used in teaching number concepts in remote learning or homeschooling settings; Abacuses are also a proven useful learning device for the visually impaired