1. Stable Material With a three dimensional groove design, our reusable grooved handwriting workbooks feature thick and sturdy paper. The clear and neat handwriting it promotes is ideal for refining calligraphy skills. The silicone pen holder is safe for children. 2. **Cost Effective Learning Must Have**: Our grooved handwriting workbooks come with a reusable feature—the ink automatically fades after some time, allowing for continuous practice. 3. **Effortless Skill Improvement**: Featuring engaging graphic combinations, vibrant colors, and adorable shapes, it captivates children and enhances their interest for more fun and enriched learning. 4. **Building Your Child's Foundation**: Spark your child's curiosity with our reusable grooved handwriting workbooks. Let them excel in calligraphy, writing, drawing, math (addition, subtraction, multiplication, and division), as well as English letters and numbers 0 100.