Instruct: Classify Amazon reviews into positive or negative sentiment
Query: mini -prep grinder

i am not happy with this product.it does not grind well ..i had a off brand mini grindder that did a better job.....i do not use it and it was a waist of moneys ......looks nice !i have to open the lid and constantly scrape the sides so i stopped using it ...........looks nice !i wish i could return it ..ss