1, thick stick: thick stick is suitable for beginners or younger children, because the strokes of thick stick can express important information such as shape and angle more clearly, and it is easier to leave dark marks on paper for inspection.

2. Thin sticks: Thin sticks are relatively thin, suitable for senior students or adults who have mastered certain skills, because fine strokes can more accurately depict complex figures and lines, and at the same time, it is easier to control the strength and speed and avoid mistakes. Color math stick is a kind of teaching aid for learning and teaching mathematics, which consists of a group of sticks with different colors.