Owfeel 17 Columns Stainless Steel Frame Abacus Soroban Arithmetic Mathematic Calculating Education Tool

"There might be little color difference between object and picture.
Main Features:
Traditional and functional arithmetic abacus for calculation.
17 beads with 1 bead above and 4 beads below on each rod.
Used as a classical calculator in office or a nice gift for abacus collectors etc.
Great education tool for teacher and mathematic tool for children.
Well made stainless steel frame, black/red beads.

Specifications:
Dimension:13""x3""
Weight: 390g

Package include:
1 x 17 Columns Plastic Abacus"