4 Books SANK Copybooks Pen Magic Copy Book Free. Comes with Can Write More Than 1000 Times illustrate: Copybook style: Spainish Features: embossed, reusable Type: Children's exercise book Suitable age: 3-8 years old Name: Children's Magic Copybook Material: white cardboard Gift: 1 pencil case + 5 refills + pen holding tool We used a magic writing pen. After writing for a period of time, the font will disappear and return to its original state, which can be used repeatedly.