Teachables Wooden Rulers 30 cm – Pack of 30

This wooden ruler is ideal for schools. It measures 30cm and comes in a pack of 30, perfect for the whole class! The wooden rulers are finished with a smooth and polished surface. It displays mm on one side and cm on the other side for accurate measurements. A ruler can be used in geometry, for technical drawing, helping with printing, engineering and building to measure distances or to rule straight lines. The ruler has a straight edge which may also contain calibrated lines to measure distances.