Answer:
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
I am an odd number that become even when beheaded.
You heard me before and then again. Afterward I die, until you call me again. What am I?
The higher I climb, the hotter I engage. I cannot escape my crystal cage. What am I?
I am an instrument capable of making numerous sound but cannot be touched or seen.
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic