BOYI Ellipse Oval Template Geometry College Math Measuring Tool Stencil Ruler Student

Features:

Through different arrange and organization,You can draw a lot of pattern.

Then you can easily draw a lot of amazing patterns. Using colorful pens will be a lot more fun.

Makes learning math fun,suitable to adult and children.

Put one the the gears in the big circle, then position your pen tip in one of the little hole of the gear, and draw along the gear teeth.

Create fascinating patterns with this art tool that has been loved for generations.