Fixed number recognition
Learn the relationship between number and quantity
Improve your baby's interest in learning
Improve the awareness of tens, hundreds, thousands, millions of digits
Calculation range: small for thousands of abacus, large for millions of abacus
Size: Small 9.4*2.9*8.7in; Large 10.4*2.9*13.4in, the specific size can be seen in the details of the picture (the size is manual measurement, slight deviation)
Material: Beech
Applicable age: over 4 years old