User blog comment:DinoAtm/I need help please/@comment-99.225.232.84-20120619133945

You just have to keep trying. I think I spent somewhere between 25,000-30,000 coins one day before I for the rare Dino! You just have to have patience and keep at it!

(Of course, you won't always have to spend that many coins. Sometimes, I get a rare Dino after just 1-12 times trying!)