The abacus, also called a counting frame, is a calculating tool where beads are moved up and down and by feeling and looking at the beads, complex calculations are made. Calculations made by the abacus / soroban is a integration of mind and body. Abacus / soroban is a magical tool to make brain smarter.
Description:
Soroban style abacus, plastic frame, 17 digits
One bead above and four beads below
Give concrete visible display of numbers by beads
A very useful tool in general mathematics education
Widely used by kids, accounting students, merchants, traders, etc
Size (L x W x H): Approx. 10.5 x 2.3 x 0.7 inch
Material: Plastic frame and beads, wooden rods
Color: Black frame, coffee beads
Package Included:
1 x Abacus