Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Doesn't fit lifetime cribs

I was so excited to receive this as a baby shower present! Unfortunately I was oh so disappointed when my husband opened it up and we realized it wouldn't fit the lifetime cribs (they convert into beds in order to grow with the baby). We tried every part of the crib but the circular part that goes on the outside of the crib to hold it in place is too big. With the edging on the crib there just simply is no way to attach it. I love the cute animals and was so sad to have to return it! I wish the manufacturer would take these tpye of cribs into consideration!