Reusable drawing board,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 Lightly to paint, easy to draw, mothers do not have to worry about the baby dirty themselves and the surrounding environment, not to worry about sharp pen will hurt the baby. No Mess hands, No spillage of paint, No cleaning BUT a lots of fun, entertainment, surprise and creativity assured with this book.The book is designed for smaller hands to easily grasp .The compact, spiral-bound format is great for travel. Instructions to Use: Fill water into the water pen provided with the book. Colour the page with the wet nib of the pen and watch the magic. The colours vanish after few minutes making it re-usable multiple times.