Answer:
I move very slowly and carry my house on my back. What am I?
A nutcracker up in a tree
I grunt and have a curly tail. People say I'm dirty but I'm actually very clean. What am I?
I am a bird but I cannot fly. I'm the fastest runner of all birds. What am I?
The ones in the sea are prickly, but the ones on the street might pickpocket you.
What is so fragile that saying its name breaks it?