WUMUZAI 4 Pack grooved handwriting book practice, groove calligraphy, reusable magic copybook, grooved writing book disappearing ink, magic copy, magical letter number tracing workbook, A

【Groove Calligraphy】 This 4 pack grooved handwriting book practice is perfect for practicing groove calligraphy, featuring alphabet, numbers, drawing, and math for comprehensive writing practice. 【Reusable Magic Copybook】 The grooved writing book has disappearing ink for repeated practice and is a reusable magic copybook that comes with 1 pen, 1 pen grip and 10 refills. 【Develop Correct Pen Holding】 Equipped with silicone handwriting aid, easy for young to master the method of pen grip. Perfect to correct the posture of holding pen and writing method. 【Premium Material】 Groove tracing workbook has high-quality thick paper and spiral binding for easy flipping. Promoting a long-lasting and convenient writing experience. 【Great Tool for New Readers】Groove calligraphy is an effective tool to help learners achieve neat and accurate penmanship with ease. A fun way to practice and improve their handwriting.