Oil pastels are one of the most popular student artist mediums. As well as having great laydown of rich colour these Spectrum Water-Soluble Oil Pastels allow the colours to be diluted and easily blended together on paper.Loaded with good quality pigments and have a smooth laydown.Help to introduce new techniques to your students.Larger than the average oil pastel measuring 70 x 11mm. 24 assorted colours - to help achieve more subtle tonal variations.