Instruct: Classify Amazon reviews into positive or negative sentiment
Query: poorly made

The balls are all of different consistency, some are filled more than others. This affect their feel and weight. One is rock hard, the other is a little mushy and the third is very mushy. Because they are different weight it make throwing them a challenge. I recommend green fuzzy tennis balls. They are all the same weight, size, and consistency, and they are course so they are easy to catch.