Product Name: Magic Water Drawing Book Material: cardboard Style: Animal and dinosaur Weight：0.58 pounds Pages：4 Size： 9.05*6.61*0.2 inches / singe one DESCRIPTION : It will be the best gift for your child ！These no-mess, paint-with-water spiral-bound coloring and activity books will make your kids Explore the new world they reveal hidden pictures with a stroke of the water pen! “Paint” with the water, watch the hidden pictures magically appear, and then let the page dry, and watch the pictures magically disappear. And, then, do it all over again. The chunky-sized water pen is easy for kids to hold and stores neatly right in the front cover. Along with the small size and lack of mess, these books make an ideal travel activity water-painting books for kids promote fine motor skills, early writing and reading skills, and visual discrimination. so it is not only a toy , but also an early educational and learning tool for your child