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B**G
Best abacus book for kids
Very good abacus 🧮 book for child. My child very impress this book. I recommend purchase this book for learning
K**S
Kids abacus
Very good books dor your abacus center. More no. Of questions for practice. Books according to abacus syllabus. Easy to learn for child. So i recommend purchase books
R**G
Best abacus book
I am running abacus center ucmass. I purchase abacus book my center student. This book is very good to teach student. So i recommemded purchase book