Why is black and white good for babies?

When my son was born, I knew NOTHING about how beneficial black and white toys were for babies.
When my son Alfie was born, I knew NOTHING about how beneficial black and white was for babies.

Why babies need black and white visual stimulation

free printable black and white pictures for babies (pdf download) - Kid Activities with Alexa

Social Baby Why Black And White?

Babies and the benefits of High-Contrast Images for Development - Specially Gifted

Black and White Images -- Montessori Baby Week 5

High-Contrasting Black and White Images for Newborns

Why Your Newborn Loves Black & White High Contrast Images

How Black and White Images Help Babies Develop

3 Black And White Books for Newborn 0-12 Months, High Contrast

Black & White Baby Books and Toys: Why are They So Good For Newborns? - Hello Natural Living