ASBONDY One-key reset abacus teaching aid abacus mental arithmetic

Color abacus, fluctuate up and down fast calculation is a good helper for learning, behind the addition and subtraction table, behind the name can be written, the class is easy to distinguish;
The beads are made of matte ABS material with good visual effect.
Fluctuate up and down to learn addition and subtraction, each row of ten vertical beads, to help the baby learn, the counter behind the addition table, to develop the child's learning ability;
Color abacus let parents rest assured, is the little teacher of children

Retailer name:Beibei Yang