Shapes... What am I?

Today we made up stories to guess shapes. Here are some of the stories. Can you work them out?

I'm thinking of a shape.
It has 4 sides.
They are all the same length.
What am I?


I'm thinking of a shape.
It has 4 sides.
2 are the same length.
I look like a kite.
I have a pointy bit at the top and bottom.
What am I?


I'm thinking of a shape.
It has 8 sides.
They are all the same size.
What am I?


I'm thinking of a shape.
It has 2 long sides.
It has 2 short sides.
What am I?