Counting sticks, squares, anti-roll, second grade, math teaching aids, 3D printing

• Example: The square anti-roll counting stick is specially designed for mathematics teaching in second grade of primary school. It can be used after 3D printing, which solves the problem that traditional small sticks are easy to roll. It is suitable for addition and subtraction exercises and counting teaching.

Size: 4mm × 4mm × 75mm

There are 26 rods in each set, and the color can be printed according to your own needs