Happy Halloween everybody!

Here are some riddles. Enter the answer in the code panel for some free stuff! And be safe out there!

I’m tall when I’m young, I’m short when I’m old, and once a year, I make heavy pumpkins light. What am I?

I don’t have eyes, but once I did see. Once I had thoughts, but now I’m white and empty. What am I?

I am scary, and when you have more of me, you will see only less. What am I?

I sleep upside down and I fly through the night. I live in dark places and I don’t have good eyesight. What am I?