Xderlin 4PCS Calligraphy Copybook Magic Practice Copy Book Magic Calligraphy Reusable Handwriting Copybook Set for Kids

"Features ? This copybook can be written repeatedly. The writing will disappear automatically. Note: ?Actual color may be slightly different from the image due to different monitor and light effect. ?The calligraphy must be used with the fade pen, then can be reused. If using ordinary pen, the copybook can not be reused. Package Include: 4 x Handwriting Copybook (1 x Alphabet + 1x Math + 1 x Drawing + 1x Numbers) 1 x Fade Pen (1pcs Pen holder + 1pcs pen case + 8pcs refills)"