It it big or small? Find out together in this Montessori-inspired board book specifically designed to nurture infant visual development using black, white, and red shapes. Combining the latest science with Montessori theory, Big or Small? introduces readers to the concepts of "big" and "small" using clearly defined shapes and high-contrast colors friendly to babies' developing eyes and minds. Perfect for the first year of life, Big or Small? encourages even the youngest babies to begin observing and exploring the world around them!