4PCS Smart Math Roller Stamps,Teaching Stamps for Kids,Math Practice Stamps,Addition Subtraction Multiplication Division Math Learning Stamps Within 100,for Preschool Kindergarten Classroom Supplies.

4pcs math stamp,teaching stamps for kids,refillable ink math practice number rolling kiddo stamp,addition subtraction multiplication division math learning practice roller stamp within 100,for preschool kindergarten home school classroom supplies.

• [Math Practice Stamp]:The math stamps as fun as toys, make learning fun and exciting, Increase children's interest in learning ! Suitable for students to practice, Parent guidance, Teacher teaching,stationery and 1st grade teaching supplies.
• [Easy To Use] :Efficient And Fast ，The math questions can appear in front of you by scrolling the kiddo stamp.
• [Rotary Adjustment Design]:10 different queue modes can be adjusted, Satisfy all addition and subtraction within numbers 1-100, Develop children's logical calculation ability.
• [ Refill Pack]: Durable，Equipped with 4 Free refills ink, Open the oil cap and drop 5-6 drops at once,the kiddo stamp can be reused.