- Extraordinary precision: Uses only the finest safe, odorless ABS materials with exquisite workmanship. This ruler is robust, durable, and reliable for all measuring needs. With precision you can confidently create complex designs and drawings every time. - Multi-function for patterns and learning: This multifunctional ruler not only helps draw various patterns but also makes math learning engaging. It includes geometry templates that can be used by all ages to create beautiful designs and shapes. Whether practicing geometry, fractions, or symmetry, it makes mastering these concepts fun and straightforward. - Versatile shape and style options: Choose from different styles and shapes to meet your changing needs. Whether you need circles, squares, triangles, or curves, this ruler has it all. It can also be used to easily create multiple-choice diagrams. Simply select the desired shape, place it on the paper, and trace with a pen or pencil. - Superior precision and transparency: Transparent color design that does not obstruct viewing while drawing. Easy to use with clear scales for accurate measurements. It also includes a drawing template to create various shapes and patterns.