To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
I remembered something like this from when I was a kid, so I ordered it to share something from my past with my kids. Sadly, these barely even leave a mark on the paper cause the ink is pretty dried up. I gave it 2 stars cause I still had fun using them as regular tops.