Answer:
A locked sphere without hinges or key. Break me open and golden treasures you'll see
What would you father's only sister's sister-in-law be to you?
I am something that floats. But after a period of time I fall.
Material for making balls and men that only shows up at certain times of the year.
Sugar on a stick. The kids love licking them
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?