Create bold strokes of colour and watch them magically change when you add water. Rainbow Sparkle Gel Crayons are made with a solidified gel that makes bolder and smoother strokes than normal crayons. Add a wet paintbrush for watercolour effects for truly unique works of art. Comes with 12 coloured gel crayons with a thick contoured grip for comfort. Also writes on black paper. New Look! Formerly called Sparkle Watercolor Gel Crayons.