Opvise 17 Digits Soroban Beads Abacus, Plastic

Specifications:
The abacus, also called a counting frame, is a calculating tool where beads are moved down and be carried out by the feel and look at the beads, complex calculations.
A very useful tool in general mathematics education.
Abacus style abacus, plastic frame, 17 digits, a bead above and four beads below.

Item Name: Abacus
Material: Plastic
Features: 17 Digits, Calculating Tool, Math Learning Aid
Size: 26.3cm x 6cm x 1.5cm/10.35" x 2.36" x 0.59" (Approx.)

Notes:
Due to the light and screen setting difference, the items color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x Abacus