I know this is not about cake decorating but I need help. My daughter is doing a Val. box for school in the shape of a cake will royal iceing crack and if so any suggestions?
Could you give more details? What exactly is she trying to do with the RI? I use it all the time on cake dummies and have never had a problem with it - it's kinda like cement once it's hardened.
I am sorry about the lack of detail, I was going to have her use that to ice the cake (the box) and then have her add candy or fondent detail.
So, basically she's making a dummy cake? I've never tried to do one on a box. Usually, cake dummies are made from styrofoam forms specifically made for that purpose. I'm not sure how well the icing will stick to the cardboard.
It will crack and break off if handled too much, but if she is careful it will stick just like onto anything else.