Modeling Materials - remnants from sons course (Grove Vale B43)

These are modelling materials used by my son during his course. I haven't any idea what they are used for but if you do, and you want them then they are yours, otherwise I'll take them to the tip.

Tub of Lafarge Plaster
Bottle of latex
Bottle Scopas Latex thickener
Bag of Alginate slow set
Box of Glass Wax.