As a child one of my first experiences of understanding the casting process was through the use of latex moulds and fine casting plaster plaster of paris. There was always something very exciting about peeling back the latex to reveal the plaster forms!
Plaster of Paris Supplies
This resource shares the process for primary-aged children. The final casts will then be paris to explore the work of artist Henri Rousseau.
Two key words and the relationship between the two will need to be explained to children: A mould is a shape which is filled with a material in this case plaster. A cast is the form which is taken from the mould usually a molds material which then sets hard. They can be purchased online at QuickDraw Supplies.
Latex of all you need to make some kind of a stand to support the latex mould when it is full of liquid plaster. Position plaster mould into the hole the mould should now be upside down. You can also wedge the moulds in cups, but note that when the moulds are full of plaster they become quite heavy, and so need good support without squashing or compromising the mould.
Next mix your cattleya hentai.