This Doms Non-Toxic 15mm Water Colour Cake Set is perfect for artists of all levels. The set comes with a paint brush and a plastic case for easy storage and transportation. The non-toxic formula ensures that it is safe for use by children and adults alike. The 15mm size of the water colour cakes allows for a wide range of brush strokes and techniques. Ideal for use in art classes, at home or on the go. This set is a must-have for any artist looking to explore the world of watercolour painting.