Preparing clear toy candy molds by brushing them with oil to prevent sticking. Photograph from "Sugar and Spice", a clear toy candy-making demonstration, held on First Friday, 7 December 2012 at the Chemical Heritage Foundation, Philadelphia, PA, USA. Ryan Berley, co-owner of Philadelphia’s old-timey favorites Shane Confectionery and the Franklin Fountain, discussed the history and science of traditional clear toy candy making.