A story pyramid is called that because the arrangement of the words makes the shape of a pyramid.The top line has one word, the second line has two words, and so on. You try....
Example:
Curious Girl
Three Bear's House
Trying to get comfortable
Chair: big, little, just right
Porridge: too hot, cold, just right
Bed: too hard, too soft, just right
Three Bears come home. Goldilocks runs away fast!