Sakura Cray-pas Junior Artist oil pastels are the ideal colouring tool for children. The refined combination of wax, oil and pigments provide an excellent colour product for many different types of applications and effects. Ideal for techniques such as rubbings, blending, gradations, scratch back, watercolour resist, overlaying, general sketch or as an introduction to oil painting techniques. Cray-Pas conform to ASTM D-4236 and are rated CP non toxic. Standard round oil pastels are 8mm in diameter and 60mm long and available in a range of assorted colour sets. Black and white are available separately to extend the life of sets for maximum economy. <br />N.B. Every possible care is taken in packing artists pastels due to their extremely fragile nature. No allowance therefore, can be made in the event of any breakage as they are equally serviceable.