Mini A4 Drywipe boards for individual pupil use. Lightweight but tough, made from durable gloss white polyvinyl. Helps young children to form letter/number characters in proportion by writing within the squares. Ideal for maths and science graphs, charts, shapes and diagrams are easily and neatly drawn. 20mm squares on one side only. A convenient pack including 30 Show Me Boards with squares, 30 Pens and 30 Erasers.