Kidea 4635 Math Printer Unknowns

Math Printer FOR Learning to Calculate Unknowns KIDEA Features: Math printer for learning to calculate equations with unknowns. This unique roller stamp allows you to create many different combinations of mathematical operations – simply change the number setting using the dial. Thanks to the stamp, learning to calculate equations with one unknown becomes a pleasure. It is also a creative teaching aid for parents and teachers, who do not have to think of combinations of mathematical operations. The math printer is perfect for reviewing material before a test or quiz!