I am free, yet priceless.

You can't own me, but you can use me.

You can't keep me, but you can spend me.

Once you have lost me, you can never retrieve me.

What am I?

I eat, I live. I breathe, I live. I drink, I die. What am I?

I like to twirl my body but keep my head up high. After I go in, everything becomes tight. What am I?

What room can no one enter?

I wear a green jacket on the outside, white jacket as a second layer, and a red jacket inside. I am pregnant with a lot of babies. What am I?

Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What am I?

I went to city OZ on the way I saw four women, with four bags, who have four kittens. Each women had two children with her. How many people went to city OZ? (count correctly)

What two things can you never eat for breakfast?

I am a seed with three letters in my name. Take away the last two and I still sound the same. What am I?

What goes up and down a hill but never moves?