Activate Baby's Right Brain Development: Flashing each visual stimulation cards fastly, the Left Brain cannot adapt, because Right Brain is responsible for high-speed rhythm activity. Therefore, it helps to promote the activation of Right Brain. Our educational high contrast flashcards was born for this purpose.Cultivate Child's Instantaneous Memory: High contrast baby flashcards are helpful to the ability of remembering what you see in an instant. Using infant flashcards in early age can cultivate instantaneous memory of Right Brain. Once this ability was developed, Children can spend the least amount of time remembering. Stimulate babies' brain and eyes development During the first 3 months (0-3 months), baby can only see black and white objects. They are very interested in high contract objects. Our Black and White cards are scientifically designed to promote babies’ brain and eyes development. Best gift to newborn babies Studies show that the retina of a newborn baby isn’t fully developed, high contrast, black and white images are a great way to help develop their eyesight and stimulate baby’s brain development. Perfect Size The cards are designed with bigger size, which is perfect for young baby as their eyesight is not fully developed. Bigger cards make it easy for baby to see and track. It trains baby’s focus and goal finding for both eyes.