Answer:
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
You find me behind the stars; or in a sixth seventh or third. It takes something round a computer and me to make pie. I am bigger than anything you can think of.
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
I can speak with my hard metal tongue. But I cannot breathe for I have no lung
The warmer I am the fresher I am.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic