Hello Contrast 3! (Book 3 in the Visual & Cognitive Leap Series) Unlock Your Baby's Genius: Bold Black & White & Blue Patterns for Advanced Visual & Cognitive Growth Building on the visual foundations of the first two books, Hello Contrast 3! introduces blue, another key color that enhances cognitive recognition and depth perception. Designed for babies aged 6 to 9 months, this book helps strengthen focus, tracking, and early pattern recognition by combining high-contrast black, white, and blue patterns-proven to support developing eyesight and emerging curiosity. This stage aligns with your baby's growing awareness, mobility, and problem-solving skills, making Hello Contrast 3! the perfect tool for active engagement, tummy time, and early learning exploration. From Learning Engineered Publishing, this book is part of a research-backed series supporting progressive visual and cognitive milestones. ¿ Series Overview: ¿ Book 1 - Hello Contrast! (Newborn to 3 Months) - High-contrast black-and-white patterns to stimulate early vision. ¿ Book 2 - Hello Contrast 2! (3 to 6 Months) - Introducing red for enhanced visual engagement and tracking. ¿ Book 3 - Hello Contrast 3! (6 to 9 Months) - Expanding depth perception with blue for advanced visual recognition. Boost your baby's brain development with the power of contrast and color!.