[Activate baby's right brain development] Quickly run through each visual stimulation map, the left brain cannot adapt, because the right brain is responsible for high-speed rhythmic activities. Hence, it helps promote right brain activation. Our high contrast educational flashcards are made for that. Cultivate Children's Instant MemoryHigh contrast baby flashcards help to instantly remember what you see. Using baby memory cards from an early age can develop right brain instant memory. Once this ability is developed, children can spend minimal time memorizing. [Enlighten Knowledge for Babies] Bains baby visual stimulation cards are developed by educational experts. Each set contains 20 cards with 40 pages, suitable for babies from 0 to 3 months. [Newborn Satisfaction Gift] These high contrast black and white and full color baby flash cards are perfect as birthday, Christmas and holiday gifts. They are great educational toys for newborns, babies and toddlers. Note: The picture is for reference only, please refer to the actual product, thank you. Material: paper Color: black and white level 1 visual map Product size: about 14. 5 x 14. 5 x 1 cm . Weight: approx. 180g Scope of delivery: 20 sheets or set Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.