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.
This is the one of the best product i bought in amazon for 109 INR Easy to use. I set it up to the wall in just 10 minutes. My baby is 10 months old.he loves it. He tries to peel off but nope...invain. 😊 he loves those animals. He can now recognize lion , monkey,Jiraffe,Elephant. He can point those animals.