Hello and thanks for the A2A the Bible could not possibly be a children’s book but children are expected to listen and read the Bible themselves, Deuteronomy 6:4–9. Well, much of the Bible takes time and experience to learn, such as we are not expected to have gaps in our studies or simply just forgetting the Bible until some problem shows up and a swift return to reading etc. Most of the promises and prophecies take faith to believe in and as it happens, we should be acknowledging its fulfillment because it helps increase faith. For example:
Modern English Version
5 Then the eyes of the blind shall be opened,
and the ears of the deaf shall be unstopped.
6 Then the lame man shall leap as a deer,
and the tongue of the mute sing for joy.
For in the wilderness waters shall break out
and streams in the desert.
7 The parched ground shall become a pool,
and the thirsty land springs of water;
in the habitation of jackals where each lay,
there shall be grass with reeds and rushes.
Names of God Bible
24 No one who lives in Zion will say, “I’m sick.”
The sins of its inhabitants will be forgiven.
All the things you read above tells us what salvation means to us, which is of course a free gift from God, Romans 6:23. As a matter of fact the Bible is a book for all people of all races, no one should feel that the Bible is not right for them.