About this item
’s abacus --made of great quality material, it's and safe for use,early education
Arithmetic abacus for --you can send it to your boys and as a gift, they will be happy, abacus
abacus for --the abacus can stand on a table, table, or any other surface,preschool math learning
Learning mathematics abacus--aimed to train in abacus arithmetic to their numeracy ability, brain development, etc, abacus
mathematics --lightweight and portable, it is very convenient for your to carry with,students calculating abacus
