What Am I Riddles

Question: What goes up and down the stairs without moving?

Question: "Good morning!" - I appear again! Time for breakfast - I`m long as F*** Its dinner time - I`m crouching down Supper time approaches - I`m on my tippy toes "Good night!" - ...gone again... What am I?

Question: I give you a family of three:

One is sits down, and will never get up.
The second eats as much as is given to him, yet is always hungry.
The third goes away and will never return.

What are they?

Question: When you close it, you see mysterious and funny looking images. But if you open it, the mysterious images are gone. What Am I?

Question: You can rest on my pad without touching the keys.
I will sing all month long as long as you pay your fees.

What am I?