Using this water doodle book is super easy. First, fill the water pen with water. Then, simply color within the lines of the book, and you'll see the amazing fairy - tale scenes come alive. Remember to keep the water pen clean after use to make sure it works well every time. Also, don't let the water get on other things around as it might cause a mess. Store the doodle book in a dry place to prevent it from getting damaged. Have a great time using this magical water doodle book!