Practice this quick setting plaster - which also takes sometimes too fast for a little hesitant child! If one string of achievements, provide as many containers as for the preparation of "sculptures" because residues still accelerate hardening. And attention to mold: it breaks. My thing for me: oiling the molds slightly before pouring the plaster, dinosaurs will pull away easily. But what is unfortunate is that the four molds received, two are identical. I am realized after using the toy is no turning back but that future buyers think to check, because the "French quality" is not always what you ...