*Magic Ink: The matching refill uses magic ink, it can automatically discoloration in 30 minutes after writing, so the copybook can be used repeatedly.
*Correct the Method of Holding Pen: Each book has a detailed description of how to hold the pen, and a silicone handwriting aid is provided to facilitate children to master the method of holding pen.
*Easy to Practice: The copybooks have three-dimensional grooves template design, which is convenient for kids to master writing.
*High Quality: The paper is thick and not easy to smudges. Great for Kids Writing.