l spent forever on a happy birthday sign shrinky~dink and it curled up in the oven. when l took it out, l pressed on it with a spactula and it helped a little bit and not its wavey. is there any way to prevent Shrinky~Dinks from curling up in the oven?

not sure honey, but your in the wrong section =]

weight it down with a Pyrex baking dish.

u dont they are called shrinkodinaks for a REASON!!!!!!!!!! AHAH HAAHo LOLVO!!!!!!!!! *****gett/////ittt/////***** gggg >> .