Anyone remember these?

They came with a few sachets of powder that you mixed with water, and then put into a mold that looked like novelty condoms.

One of my friends had a Disney set, and I REALLY wanted to make a mold of Pluto, but they were too stingy to let me use any of their plaster. I can't believe how obsessed I was with that Pluto. When you were a kid you have those insane desires for the smallest thing, like cereal toys or something.

I had a plaster of paris disney set. But the moulds in mine were made of hard yellow plastic, the peices would go together, then you would pour in the plaster. I was only ever allowed to play with it about one time only, as my mother said it made to much mess.

Are you talking about the ones where you could build a model of the Nautilus surrounded by rainbow colored reefs in a mini aquarium, because I remember that?

I had a plaster mold kit. The mold was plastic like chocolate bunny molds? And you could paint them after they dried?