Wonderful Workbooks For Handwriting: Handwriting Practice Magic Copybook, Give your children or your friend kids a funny and meaningful gift! ?Magic Ink?:The matching refill uses magic ink, it can automatically decoloration 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. ?4 In 1 Copybook Set?:Inclued Enghlish letter,Addition and Subtraction,Interesting Drawing,Number 1-100 ?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.