Short Riddles and Answers

Question: You put me in hard.
But then I become soft.
Blow me hard and I will get bigger.

What am I?

Question: Had by few but treasured by all,
I'm on the inside and outside and I make men fall.

What am I?

Question: Countless blades that bend with a touch,
exploited by kids who want to make a buck.

What am I?

Question: A man drops an egg onto the cement. The egg doesn't break after falling 3 feet.

How could this be?

Question: Two people are born at the same moment, but they don't have the same birthdays.

How could this be?