Sank Magic Practice Copybook Set – Reusable Handwriting & Number Tracing Kit for Preschoolers (4 Books + 10 Refills + 1 Magic Pen + 1 Pen Grip) The Sank Magic Practice Copybook Set is a smart and effective learning tool designed to help preschool and early-grade children develop strong writing skills through guided practice. This complete set makes learning numbers and basic handwriting easy, engaging, and stress-free for young learners. The set includes 4 reusable practice books, 10 refill pages, 1 magic writing pen, and 1 ergonomic pen grip, giving children everything they need to practice writing independently. The special magic ink fades automatically after a few minutes, allowing kids to practice repeatedly without wasting paper. This helps build muscle memory, improve stroke control, and boost writing confidence through repetition. Each copybook features clear tracing guides for numbers and simple lettering, helping children understand correct writing direction and spacing. The