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 Black & White Toys Help Baby's Development

The Advantages of Black & White for Newborns: Expert Advice and Tips

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Why are Black and White images good for babies? – Young Wonderer Black and White Baby Boutique

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How Black and White Images Help Babies Develop