PATPAT Black White Flash Cards for Infants, 40 Pictures 5.5 x 5.5 Inch Designed Contrast Cards for Newborn Baby Toys with High Contrast (0-6 Months)  (Black)

1. Designed for babies 6 weeks to 6 months: research has shown that new born babies can only see objects range from 5 inches to 27 inches, and they are sensitive to black and white color; These black and white high contrast cards are good for babies? eyesight and cognitive development-------2. Develop babies? visual perception: these black and white infant cards use high-contrast images to provide visual stimulation as babies begin to make visual connections with the world around them; Promoting the infant's visual system is part of early childhood education---------3. Quantity: the flash cards set includes 40 pictures (20 pages) that are double side printed; Each page features high-contrast graphics with both black and white images to develop the ability of infants to find goals and focus on both eyes--------4. Size: the size of each contrast card is 6.6 x6.6 inch, a proper size to carry and show to the babies; The rounded corners can ensure that baby will not be scratched by the cards; Showing black white flash cards to baby is a good activity between baby and parents, and they enhance the baby and parents bonding--------5. Material: these baby contrast cards are made of quality thick cards, durable, lightweight and non-fading, parents can do various fun activities by using these cards