Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Great Deal to Get Free Super Saver Shipping

I ordered these because I only needed a few more dollars to get free super saver shipping on another order. So, I didn't really look into, or care about, the quantity of the pieces. I was pleasantly surprised when I received 8 of them. As the description claims, they fit just fine with Thomas wooden railway pieces. I take off one star because one of the pieces has mildly warped since I received them (the piece still fits and works, but you can definitely tell it has warped by placing it on the flat surface of the train table).