Features: Crafted from wood, this 13 digit 7 beads abacus combines traditional designs with exceptional functionability, long time durability than plastic abacus while serving as multifunctional math teaching tool and educational counting aid. Featuring 13 smoothly gliding column with 7 polished beads, this traditional wood abacus ensures accurately calculations and enhances children's finger dexterity during math counting practice and mental arithmetics exercises. Very suitable for preschooler, children, students, math beginner, teacehr, and parent seeks hands on learning tool, this wood abacus supports cognitive development while making numerical concepts tangible for learners. Widely used for home study, classroom teaching demonstration, or outdoor travel learning adventure, its portable designs allows children to practice mathematical operations anywhere. Transform math education into fun counting game. Its fade resistant beads and ergonomic frame ensures durability, making it both practical math teaching aid and nostalgic decorative piece for math enthusiasts. Specifications: Component: Wood Color: As Picture Shown Size: Approx. 28.5x12cm/11.22x4.72in Weight: Approx. 400g Package Includes: 1Piece Wood Abacus note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color