Hello,
I made some candy clay last night and it looked fine. This morning when I started kneading it, it wasn't smooth and it started cracking and I couldn't roll it out because of all the cracks but it wasn't dry at all and actually it was oily. Anyone knows what went wrong? anybody had this problem?
Thanks,
Katy 
Sorry that has never happened to me. I have never made it I have always boughten it. Good Luck
Believe it or not, this is how candy clay is, atleast if you followed the direcetions on the bag of the Wilton Candy melts. I know it seems like it will never come together, but just take a small piece and knead with you hands, it will eventually come together and be very pliable. It takes a bit of work but once it is soft and pliable, it will stay that way when wrapped tightly.
I have found that the Wilton way is too greasy and somewhat hard to work with at first. I now make my candy clay with chocolate chips (12 oz bag) and 1/3 cup corn sryup. I let it sit overnight and then work with it. It turns out much less oily, less hard, and it tastes better.
Hello and welcome to CC!
I am not a candy clay expert, but I do know the oilyness (is that a word) 
is normal. You might try poping it in the microwave for just a sec. to see about kneading it some. Careful if you do this it may have hot spots in the middle. Don't get burned!
I used ghirardelli chocolate chips and the clay wasn't hard it was soft since it was room temperature. I let it sit for a day before using it. I did knead it for long time but kneading didn't change the texture of it. I don't know what went wrong. 
one of those mystries 
Well then, it sounds like you may have overcooked you chocolate and it seized. How did you melt your chocolate? If doing it over a double broiler, you need to melt the chocolate very slowly and pull it from the heat when it is just melted, there may even still be a few lumps but with stirring it will smooth out. Could this have been your problem?
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