Video summary
At the crayon factory the children see where the chemicals which make crayons comes from – oil.
They see that oil comes from rocks underground and how it's processed to turn it into wax.
See Also
The Day the Crayons Were MadeAn expert at the factory 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.
This is from the series: Curious Cat TV, Bricks, Crayons
