Using the Magic Water Doodle Book is super easy. First, fill up the water pen with water. Then, just start coloring within the lines on the book. As you color, the amazing scenes will appear before your eyes. This book is great for kids aged 3 and up to learn words and colors. When it comes to choosing a theme, you can pick from sea creatures, farm animals, fairy tales, or pets. Please keep in mind that the styles are randomly selected when we send the item. If you want a specific style, leave a note in your order. After using the book, just let it dry, and it'll be ready for the next use. There's no need to worry about making a mess, as it's just water. Enjoy hours of fun with this Magic Water Doodle Book!