4PCS Happy Writer Bundle for Children, Magic Grooved Handwriting Practice Book with Pencil Grips,Exercise Book Set with Pen Reusable Writing,Grooved Workbooks with Alphabet,Numbers,Math & Drawing (1)

• 3D Groove Design: The magic happy writing book is designed with deeper 3D grooves, which makes it easier to guide writing and form writing memories. The magic ink disappears automatically within 30 minutes after writing, suitable for repeated practice • Improve Writing Skills: They can use their magic pen to follow the paths and draw different shapes, great for improving their writing skills. They can also master English handwriting skills and write beautiful English words through training with the reusable writing board tracing books • Reusable Groove Practice Books: Magic grooved handwriting book set with 4 grooved handwriting practice books (alphabet/numbers/math/drawing); 1pens and 1 silicone grips; 5 refills； Supports 500+ rewrites per page • Posture Correction: We have equipped each magic pen with a pen grip. It helps to grasp the correct way to hold the pen and develop good writing posture habits • Ink Magically Disappears: JKWRRRKS Magic Grooved Books special refill ink automatically disappears within 30 minutes of writing. Can practice an unlimited amount without wasting paper, saving you the hassle and cost of buying stacks of exercise books