✔【Magic Disappearing ink pen set】The pen barrel is made of raw materials, which is more wear-resistant and durable. Instead of the inferior secondary recycled plastic or drainage opening material on the market. 20 Magic Pen Refills, 2 Pen Casings, 2 Grip Correctors - Empower your child for enduring creativity and writing.More quantity for you! ✔【Grooved kids book disappearing ink】Use with children magic copy books, grooved writing books for kids, or reusable handwriting workbooks, magic practice copybook for kids, After writing, the magic ink disappears in approximately 15-30 minutes, with complete disappearance taking around 30-60 minutes! The vanishing magic adds an extra layer of fascination for your child! ✔【Auxiliary kids writing books】magic pen kid disappearing ink set Includes two grip correctors for your child to master the proper pen-holding posture, ensuring beautiful handwriting and drawing.Pair it with magic copy books for kids or kid writing books, reusable handwriting workbooks for better results! ✔【Magic pens for kids disappearing ink】writing practice for kids age 3-5 or above, suitable for kids writing preschool beginners. Best used in conjunction with magic book for kids and magic drawing books, handwriting book, as well as copybooks, to enhance children's handwriting skills. Make writing more attractive and stimulate children's unlimited imagination and creativity. ✔【Invisible ink pen】If your child loves to doodle everywhere at home, regular ballpoint pens may leave ink stains on sofas, furniture, or walls that are difficult to clean. In comparison, the magic disappearing pen's ink will vanish after a certain period , making it a cleaner alternative to conventional ballpoint pens.Can also be used as a temporary marker and the ink will disappear automatically. WANFRES Grooved kids book magic pens for kids disappearing ink pens and reusable grooved handwriting practice for kids or grooved writing books for kids 3-5,children magic copy books, invisible ink pen, Drawing Workbook, which turns boring learning into fun. Our workbooks not only teach letters, shapes and numbers, but also how to add, subtract, multiply and divide numbers. Guide children or beginners to perform correct pen control, line tracing and other exercises to attract children's attention, improve their reading and writing skills, and make the entire learning process entertaining and educational. main feature: Foundations for Success: Our workbooks build a strong foundation in reading comprehension, letter recognition, addition, subtraction, multiplication, division, penmanship, and fine motor skills through engaging, repetitive exercises. Rich paper-and-pencil activities: from connecting lines to filling in the blanks, effectively maintain the diversity of children's learning and provide the perfect balance of entertainment and writing. Colorful fun: Our exercise books are full of dynamic and imaginative thinking and answer illustrations, stimulating children's imagination and answering abilities, and creating high-quality learning conditions for your children. This interactive workbook helps your child master early learning and cognitive skills, giving them a great start. Magic pens Product Set: 20 magic refills, 2 pens and 2 pen-controlled correctors.