A traditional Abacus with beads in 4 colours and number grids horizontally and vertically. An abacus is a deceptively simple calculating tool. It's a useful learning device for the visually impaired, as well as for anyone who wants to learn the roots of the modern calculator. After learning the basics of counting on the abacus, you can quickly perform arithmetic like addition, subtraction, multiplication, and division.
Product Code: 132059