Plastic Abacus Arithmetic Abacus Kids Calculation Tool 17 digits, 10 pcs/lot Mathematics Education for teacher Teaching

 

 

Abacus style abacus, plastic frame, 17 digits
A bead above and four beads below
Give concrete visual representation of numbers by beads
A very useful tool in general mathematics education
 
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.
 
Size: 26.5cm*6cm*1.5cm
Package: 10  x Abacus
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.
 
 
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