Answer:
I am a nut with a hole. What am I?
I have keys but no locks. I have space but no room. You can enter but can't go outside. What am I?
I can be any color you can imagine. You see me in everyday life. Look around, you can probably see some of me right now. What am I?
What is it that after you take away the whole some still remains?
What invention lets you look right through a wall?
A little house full of meat, no door to go in and eat.