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Two children meet the animated character Curious Cat, who asks them if they would like to find out how crayons are made. The children see where the chemicals which make crayons come from – oil. They see that oil comes from rocks underground and how it is processed to turn it into wax. They visit a crayon factory where an expert shows them the process of making crayons. Wax and another chemical are melted to make a liquid, then colour is forced together with a little bit of wax before being added to the hot wax liquid. They watch the coloured liquid wax being poured into a crayon mould and then cooled. Finally, they see the crayons being taken out and labelled in a machine.