Amazon calculates a product’s star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers, and factors that establish reviewer trustworthiness.
Oh no! We're sorry to hear this. For orders damaged during shipping, it's best to get in touch with the seller directly. Just head to your Amazon order history, find this item in the list, and choose the "return or replace" option to get started. - Emily, LEGO® Customer Service