Answer:
I spend the day at the window go to the table for meals and hide at night.
I work when I play and play when I work
my rings are not worth much but they do tell my age.
A hole in a pole. Though I fill a hole in white I'm used more by the day and less by the night
I have memories, but none of my own. Whatever's on my inside is what is shown. If I'm ever different, it's because you changed me. I feel like a decoration, here for you to arrange me. What am I?
What is lighter than what it is made of?