Features The Reusable Grooved Handwriting Workbooks has three-dimensional groove design, The magic calligraphy paper is thick, strong, and durable, not easy to smudge and not easy to stain; the pen holder is made of silicone, which is safe for children; the print is clear and clean; it is really comfortable and great for Calligraphic Letter Writing. The matching refills use magic ink,handwriting will automatically fade and disappear within 30 minutes after writing, great for repeated practice. It is a Must Have handwriting copybook set for your kids learning calligraphy. The kids can use their magic pen to follow the paths and draw different shapes, great for improving their writing skills. They can also master English handwriting skills and write beautiful English words through training with the reusable writing board tracing books. Magic reusable calligraphy copybook set is the perfect gift for your kids ages Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Specifications: 4-book set with 10 refills 1 pen holder 1 pen holder Package List: 1 Set Hand Writing Practice Book For Kids 5-7