The magic water drawing book helps kids to recognize colors and animals, kids will learn much knowledge from drawing. Simple to use, you only need to fill the pen with water, then you can start coloring. There is no chance of getting "marks" on clothing or other surfaces since all that is required is clear water. And, it is non-toxic. Once you color, the pictures are very vivid and colorful. As soon as they dry the colored areas disappear and the pages can be colored again and again. The magic water drawing book will be perfect to take on airplanes, car rides and anywhere. This item can be used to improve interest training, intellectual development, senses, emotions, other ability development, hand-eye coordination, parent-child communication, etc.