Answer:
What is always on its way but never arrives?
What goes up but never comes down?
Break it and it gets better, immediately set and harder to break again.
What is something yet nothing, but if you fill it up it will disappear?
There is 10 birds on a branch, a man shot 5 of them. How many were left?
It is something you will never see again.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?