1.) crayons use wax wile oil pastels use non-drying oil and wax. 2.) there is a big difference between how a crayon works and how a oil pastel works, pastels are soft and creamy wile you have to put effort into a crayon. 3.) the composition of the colors.
3 Differences Between Crayons and Oil Pastels Are...
Explanation:
Crayons use wax and Oil pastels use non-drying oil and wax. Oil pastels are very rich, soft and creamy. It is very easy to smear, blend in, layer, mix, shade, all with the help of your finger. As opposed to that, crayons are harder and two crayon colors don't really mix together very well.