What is a good Bible story to tell to kids?

I am in fine arts at our church and I am wondering what is a good Bible story to tell to kids the catagory is Childrens Lesson and the age is 6-12 and the theme is This Changes Everything. I have to fit the story into the theme. If you know any good bible stories then tell me please. I am running out of time. Thanks!

Noah’s ark. God promised never to destroy the earth with a flood again, he gave us the rainbow in symbol of that.

c1890 HOLY BIBLE LESSON PASSOVER CHILDREN LAMB HEATH $22.75 c1890 HOLY BIBLE LESSON PASSOVER CHILDREN LAMB HEATH A steel engraved print from the Old Testament by the rev Robert Jamieson. Dated c1890.Size of each print is 14 x 10 inches (360 x 260). All are genuine antiques not modern reproductions....

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