Magical Learning Experience：Unleash the fun of learning with our set of disappearing ink pen and refill! These aren't just ordinary writing tools - they're magic pens for kids that bring an element of surprise to every stroke. The ink magically disappears, allowing endless practice without wasting paper! Perfect for Young Learners：Designed for budding writers, our set pairs perfectly with grooved handwriting practice for kids. Ideal for children aged 3 - 5, these invisible ink pens encourage proper grip and stroke formation when used with magic grooved writing practice books for kids 3 - 5. It's a hands - on way to develop essential writing skills. Reusable and Eco - friendly：With the disappearing ink handwriting book, our children's magic copybooks offer a sustainable approach to learning. The disappearing ink pen allows kids to repeatedly practice their writing on the grooved pages, reducing paper waste while making learning an exciting adventure. Safe and Engaging：Our magic pens for kids are made with child - friendly materials, ensuring a safe writing experience. Combine these with the magic grooved writing practice books for an engaging activity that helps kids master penmanship in a fun and interactive way. This set contains 2 pen barrels, 25 refills, 2 silicone grips, and does not include a grooved practice book (need to be purchased separately). It can enhance the learning experience. Together, they create the ultimate set for children's groove calligraphy practice, making writing practice a magical and effective process. 1. Magical Learning Experience：Unleash the fun of learning with our set of disappearing ink pen and refill! These aren't just ordinary writing tools - they're magic pens for kids that bring an element of surprise to every stroke. The ink magically disappears, allowing endless practice without wasting paper! 2. Perfect for Young Learners：Designed for budding writers, our set pairs perfectly with grooved handwriting practice for kids. Ideal for children aged 3 - 5, these invisible ink pens encourage proper grip and stroke formation when used with magic grooved writing practice books for kids 3 - 5. It's a hands - on way to develop essential writing skills. 3. Reusable and Eco - friendly：With the disappearing ink handwriting book, our children's magic copybooks offer a sustainable approach to learning. The disappearing ink pen allows kids to repeatedly practice their writing on the grooved pages, reducing paper waste while making learning an exciting adventure. 4. Safe and Engaging：Our magic pens for kids are made with child - friendly materials, ensuring a safe writing experience. Combine these with the magic grooved writing practice books for an engaging activity that helps kids master penmanship in a fun and interactive way. 5. This set contains 2 pen barrels, 25 refills, 2 silicone grips, and does not include a grooved practice book (need to be purchased separately). It can enhance the learning experience. Together, they create the ultimate set for children's groove calligraphy practice, making writing practice a magical and effective process.