I got them at Daiso......LOL. (I'm hopelessly hooked)
You peel them while they are hot ....put them in....snap it shut, and put in the fridge for 15 or 20 minutes. You can get square ones too, but they didn't have any.
[img class="alignnone size-medium wp-image-829" title=egg-shaper2 height=225 alt="egg-shaper2-505x450 Hard Boiled Egg Shaper Molds" src="vny!://craziestgadgets.com/wp-content/uploads/2008/06/egg-shaper2-505x450.jpg" width=252]