Wooden Chalkboard Ruler 1mThis Wooden Chalkboard Ruler is a classic, durable teaching tool designed for use on blackboards and chalkboards. Measuring 1 metre in length and constructed from pine wood, it features colour coded markings in 10cm increments, making it ideal for classroom demonstrations of length, measurement, and spatial awareness. Its solid construction ensures it withstands daily handling while providing a tactile, visual method for teaching measurement concepts.