ITEM NAME:Chinese Abacus 9 Column 9 Beads Wood Hanger Big Size NON-SLIP Abacus Chines I4O3 ☆★ Product Details ★☆ Chinese Abacus 9 Column 9 Beads Wood Hanger Big Size NON-SLIP Abacus Chines I4O3 Number of beads: 9beads per row x 9 rows with reset button There is a bead on top and four beads on the top. Give specific visible digital display through beads Mathematical education beginner's tools The non-destructive non-slip rubber feet on the abacus base prevent the abacus from slipping. Both practical and educational. Features: Education Gender: Unisex Color: white + green + black Material: wood + plastic Used for: students, teachers A: Wood frame Abacus: plastic beads It makes the calculation function of traditional abacus into an enlightening function, suitable for children aged 4-12, and the learning age is 4-10 years old. Children's learning abacus has the following advantages: Children's left and right hands jointly put beads to promote the development of left and right brain balance; Children's eyes, ears, hands, mouth and brain participate at the same time to cultivate children's attention, observation, memory and imagination; It is a good habit to train children to be focused and active; Make children's computing ability increase rapidly, form a good logical thinking ability, promote the development of intellectual potential, and earn a lifetime Package Contents: 1 * abacus