Material: wooden
Product size: 23.5*31*6 cm
Activity preparation:
1 small abacus, a few white papers, pens, etc. Parents prepare children to calculate the problem card or temporary

Give the child a question.
Objectives
1 1~2 years old to improve children's cognitive ability
2 1~2 years old training children's hand-eye coordination
3 2~6 years old enlightenment concept, skilled vocal number
4 number of columns and combinations, practice addition, subtraction
5 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