Abacus Wooden Calculator
        	
     	Material: wooden
Product size: 23.5*31*6 cm
Objectives
- 1~2 years old to improve children's cognitive ability
 - 1~2 years old training children's hand-eye coordination
 - 2~6 years old enlightenment concept, skilled vocal number
 - number of columns and combinations, practice addition, subtraction
 - Establish the basic concept of children's logarithm, and initially understand the basic structure of the abacus.
 - Can be used to count; Or teach children to do the addition and subtraction of the image