Amazon calculates a product’s star ratings using a machine learned model instead of a raw data average. The machine learned model takes into account factors including: the age of a review, helpfulness votes by customers and whether the reviews are from verified purchases.
This is hands-down my cat’s favourite toy. There’s something about the erratic, unpredictable movement of the wire that just drives him wild. No other toy compares. It’s also surprisingly durable for something that’s literally just cardboard and wire.