Sank Magic Book pack of 4 With 10 refil & pen

The Sank Magic Book Pack of 4 is a reusable, educational writing set designed for kids to practice handwriting. Each book uses magic ink that gradually disappears, allowing endless practice. The set includes 10 refillable ink cartridges and a magic pen, promoting skill development in an eco-friendly way. Perfect for improving writing skills while making learning fun and engaging.