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.
Hard for my kid to open, hell it was hard for all of us to open and didn’t work as instructions said it was supposed to go:( very disappointed!! I ordered two of them, and had same issues with both of them,, I am returning for a refund, wouldn’t waist your money