Grimm. (2012). "The Crystal Ball." Grimm's Complete Fairy Tales. New York: Fall River Press.

This fairytale is about an enchantress who has three boys who have no trust. Therefore, she gives the oldest son to an eagle, the middle son to a whale, and the youngest son to a beast. Later, the king's daughter needs to be saved at the Castle of Golden Sun. Two giants fight over the wishing cap, but the youngest son solves it, takes it, and wishes. He finds the king's daughter, but she turns out to be very ugly. To break the spell that she is under, he goes on a journey to find the crystal ball. The journey leads the youngest brother to have help from his brother and eagle in the sky and his other brother and the whale in the sea. In the end, the crystal ball is found, and the spell is broken.
This fairytale could be used to teach family loyalty.
It could also be taught to teach sequencing.