Description: Your kids can adopt the easy-operating drawing book with reusable design, environmental safe texture to paint with water pen without pigment, dry it after painting then erase it to reuse after 3-10 minutes, and reuse for around 6 times. It is an underwater theme drawing book which is suitable for kids to find and learn the hidden letter, number, and animal, which is not only with dirt-proof design to prevent dirty, but also with rich contents and double-sided design to cultivate kids basic knowledge of literacy, creativity, imagination and visual discrimination and let kids have fun. The drawing book is made of paper material. The length of the drawing book is 24cm, and the width is 15cm. It is suitable for kids, children, painting, etc. Item Name: Water Drawing Book Material: Paper Features: Reusable, Color Changing, Double-Sided Type: Drawing Book Applicable Age: 4-6 Years Old Size Details: 24cm x 15cm/9.45" x 5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Instructions: 1. There are 5 pages in the water painting book, 4 of which can be painted. 2. Water painting can be recycled for about 6 times. 3. Before using a water brush, soak the tip of the brush for a few minutes. When the tip softens, you can paint easily. 4. The brush can be filled with water without paint. 5. Water painting book will change color in contact with water, but it should not be soaked in water. 6. After painting, you need to let the book dry before closing it. 7. If the brush is not suitable for a long time, please clean the water and save it. Package Includes: 1 x Pen 1 x Water Drawing Book