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.
Its written that product is for 3+ years old kids but it's really for children less than 2 years old becaue it's realy small. Also, the packaging was awful and dirty without any instructions. Dor that l, I don't recommend it at all.