There are tools that will help you and your children get to know and search out the truth, real treasures. They are a Bible dictionary, a Bible atlas, a Bible concordance and a Bible.
Read: Matthew 13:44
“The kingdom of heaven is like a [very precious] treasure hidden in a field, which a man found and hid again; then in his joy he goes and sells all he has and buys that field [securing the treasure for himself].