High Contrast Sensory Flash Cards – Boost Your Newborn's Brain Development from Day 1Why these cards work for your baby Newborns can only see high contrast at birth Black & white patterns are the only visuals their developing eyes can detect in the first 3 months Builds critical brain connections in year one Visual stimulation at 06 months is the fastest period of brain synapse formation Strengthens neck & core during tummy time Babies naturally lift their heads toward the cards turning play into physical training How these cards work