Talk:Dinos/@comment-24.15.245.173-20120516215820/@comment-5062333-20120518023030

It means if the hurry hatch time is not 72 crystals, then you got a rare dino. That means if the hurry hatch time is 72 crystals, you can put the Dino Den into inventory and get it back out, so you can buy a new egg. Keep doing this until you get a rare dino. I got one after about 10 attempts.