Easy Riddles and Answers

Question: I attach to your hip and I sing all day.
All I want to do is play.

Question: What goes up with the intention of falling down?

Question: It takes ten men ten hours to build a certain wall. How long does it take five men to build the same wall?

Question: What am I?

Question: I'm the eyelid to your life and hide you when you're inside.
You can draw me and you can pull me, but you must leave to see my good side.

What am I?