A: Look, this is my new bag.

B: What's in your bag?

A: Let's open it and see.

B: Some books, crayons and a pencil box.

A: How many books do you see?

B: One, two … I see eleven books.

 How many crayons do you have?

A: I have twelve.

B: What's in your pencil box?

A: A pen, two pencils, an eraser and a ruler.