Dating back, through the neolithic, some 10000 years ago, modern man existed, fact! The Bible doesn’t lie, fact! – in contrast, man-made doctrine does!
Good things to ponder before we ask our children to believe that of man and not that of the ‘Elohiym of Israel:
A truth spelled out in ancient eyes, written in metaphor, that of a Creator, who’s work day is not one day, or one thousand years – but each day an example of a very long time. Be truthful to the children, or risk rebellion in the face of facts. Teach them Bible culture!