Answer:
Something you carry while singing.
What object has keys that open no locks, space but no room, and you can enter but not go in?
What hatches without food?
A precious gift, yet it has no end, no beginning, and nothing in the middle.
What eight letter word has "kst" in middle, in the beginning and at the end?
What never asks questions but receives a lot of answers?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?