Hello my name is judy first time i this site...pretty cool I would like someone to share with me how to make?

sugar easter egg the kind that has a window and you look inside and there is a little scenery inside. I have looked high and low. At party supplies, cake supplies, crafts stores, on the internet. I cant find anything on them. Its been years and I still am interested in learning how to make them. any feed back would be great. Thanks