A long tradition in the movie industry, casted sugar may be a substitute of interest to practice some glass techniques at home. Using food colouring, a double broiler (a Pyrex bowl on top of pot of boiling water), wax paper, and cream of tartar, sugar may be molded into sheet – e.g. to create stained glass – and/or poured into forms with silicone molds.
For some instructions, go here: scientificamerican.com.
