The digital slide ruler is a math educational toy that makes learning arithmetic fun and interactive. This arithmetic training device is designed to help children practice addition and subtraction through engaging activities. The math learning aid provides a clear visual representation of numbers, making it easier for kids to understand and solve arithmetic problems. The arithmetic practice device is a valuable math teaching tool for any kindergarten classroom. Features -Color:Assorted Color -Material:Plastic -Size:26.00X4.00X0.50cm/10.22X1.57X0.20in -Ideal for early learners: the math training ruler is ideal for early learners, helping them develop skills in a fun and engaging way -Easy arithmetic practice: with the digital math ruler, children can easily practice addition and subtraction, laying a strong foundation for future math learning -Attractive design: the learning slide ruler features an attractive pink design that captures children's attention and makes learning more enjoyable -Safe and : made from sturdy materials, this arithmetic training device is safe and for longterm use. -Multipurpose tool: the math learning aid can be used for various purposes, including math practice, drawing, and measuring, making it a versatile tool for kids Package list: 2 x addition and subtraction ruler