Answer:
What can travel all around the world without leaving its corner?
Fashions change, but what can a person wear that is never out of style?
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
You buy me to eat, but never eat me. What am I?
I am the kind of dog that chases anything red.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.