Size: 136*184mm / 5.35*7.24 inches Number of pages: 8 pages / book Material: Environmentally friendly material Applicable age range: 1-6 year old babies Product material: Thick high-quality paper No Ink Creativity: No ink or paint is needed. Just add water and vibrant colors will appear on the page. This is a clean way to enjoy art without leaving stains or requiring cleaning. Reusable Magical Design: The color will disappear within 5 to 10 minutes after drying, allowing you to recreate your favorite scenes countless times, from dinosaurs to cosmic galaxies. Thematic Art Exploration: Includes detailed designs such as underwater worlds, prehistoric times, and future vehicles, making it perfect for relaxation, meditation, or inspiring creative inspiration. Interactive Exploration: Each stroke reveals hidden illustrations, combining art with surprises, and is ideal for relieving stress, practicing art, or as a gift for art enthusiasts. Portable and Travel Essential: Lightweight and foldable, it is perfect for creating anytime and anywhere during travel, commutes, or leisure time. Easily put in a bag to enjoy entertainment at any time.