Transparent Sorting Mats - Set of 6The Transparent Sorting Mats Set of 6 are an innovative tool for reinforcing key maths concepts through hands on sorting activities. Ideal for use on a lightbox with transparent counters, tiles, or letters (sold separately), these mats offer a visual and interactive way to practise sorting by various criteria. Each mat features a different colour and is dry erase, allowing students to easily mark different sections and use the mats repeatedly for