[Reusable] -- Pages that fill with vibrant color when wet and naturally disappear after 5-10 minutes later dry, kids can draw and play again. The reuseful fun water drawing book are not a single-use item. Easy Use for Kids: Just add the water on the pen, then the children can draw it by themselves. After 5-10 minutes of drying, the kids can paint it again. Friendly and Safe Design: Unique technology and non-toxic water injection fun books, so that children can enjoy the fun of painting without ink, which makes children very safe. [Learning While Playing] -- Water drawing books have clear and diverse patterns and colorful colors, so children can draw while getting to know alphabet and transportation, learning while playing and having fun, cultivating children's interest in learning and building a bridge for them to explore the world. Perfect Gift for Kids: The water book has sufficient packaging, suitable styles for children, bright colors, convenient usage, and unique reusable cleaning design(Unicorn Dinosaur Animal Transport Universe Cartoon Water Painting Wow Book Paint with Water Books), making it the best gift for children. Dreamlizer Reusable Water Coloring Books for Toddlers, Paint with Water Books, 6 Pack Mess Free Wow Book for 3-5 Year Olds, Dinosaur Animal Transport Cartoon Coloring Book, Travel Toy Gift