Klick Buy 1 Magic Pen, 10 Refills & 1 Grip ONLY for Reusable Sank Magic Practice Copybook Refill  (Ink Color - Black)

Note: If you have SANK MAGIC BOOK then you can buy this Refills set. The pen with special ink will gradually fade within 30 minutes after writing, specially designed for Reusable Sank Magic Practice Copybook. If you use a normal pen, you cannot reuse this copybook. (Pack of 1 Pen, 10 Refills & 1 Grip)