Classic wooden abacus: Our colorful wooden abacus is an eternal tool for teaching counting, addition and subtraction. Smooth sliding beads on a solid pole make mathematical tangible and attract young learners. When they move beads, children develop fine motor skills and master basic numerical in a hands-on way. Interactive design: the combination of abacus and math card creates an interactive learning experience. The top of the abacus is equipped with a card slot, which allows you to insert a mathematical card, display equations under visual representation, and add or subtract beads. This interactive function can enhance understanding and strengthen mathematical . Wooden counting stick: including color counting stick to encourage hands-on exploration of mathematical . Whether used for counting, sorting, designing, grouping or basic arithmetic, these sticks can provide endless for learning and creativity. Home school and classroom supplies: very suitable for parents and educators in home school. Our educational wooden toy set provides valuable resources for teaching mathematics in various learning environments. Whether used or in the classroom, these mathematical operations support differentiated teaching and learning experience. Specifications: D: Multifunctional calculation rack (number card + counting stick + formula table) Colour:As Shown Material:wood Package Contents: 1box x wooden abacus Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.