This is necessary to show people that their shell is an integral part of their skeleton. It’s shocking how many people attempt to force kids out of their shell.
In third grade, the teacher’s turtle, who was also our class pet, experienced this. Child trampled on him outdoors because he thought it would be hilarious, but we know it was him even though no one “officially” witnessed it happen. He was never forgiven by anyone in the class, and the instructor was devastated.