Answer:
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
I have thirteen hearts but no body or soul. What am I?
I come without being fetched at night, hide away as soon as daylight strikes. Although I may look small, I am much mightier than what you can imagine. What am I?
the only amusing part of the body
I always have to work with something in my eye. What am I?
What age most travelers have?