A fun drawing ruler set that lets you create a variety of decorative geometric patterns using different combinations of gears.
Insert a pen into one of the holes in the gear, then rotate it around the ruler to create different circular and repeating designs. Great for drawing, crafts, notebooks and creative activities.
Ruler size: approx. 10 × 21 cm
Includes 3 types of gears
Creates a variety of geometric and decorative patterns
