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.
4 year old daughter loves it, just a little hard for her to work the different settings like holding down a button for a certain amount of time. Other than that, it’s been a hit here since she opened it up for Christmas this morning.