Watersoluble ink blocks that bring a new sense of freedom to the drawing and painting experience, Derwent Inktense Blocks can be used dry or wet. Dry, they deliver pure, vibrant color. When wet, they create a translucent ink-like paint that can be worked over when dry. - Derwent Inktense Block Set - Set of 72Colart Derwent Inktense Blocks, 72/CT TIN - This set of 72 Derwent Inktense Blocks includes all of the colors in the Set of 24, plus 48 new colors, including Cadmium Yellow, Sicilian Yellow, Golden Yellow, Sienna Gold, Cadmium Orange, Burnt Orange, Mid Vermillion, Scarlet Pink, Hot Red, Cherry, Carmine Pink, Crimson, Red Violet, Deep Rose, Thistle, Dusky Purple, Mauve, Dark Purple, Deep Violet, Lagoon, Peacock Blue, Navy Blue, Iron Blue, Deep Blue, Dark Aquamarine, Turquoise, Green Aquamarine, Mallard Green, Iron Green, Vivid Green, Beech Green, Hooker's Green, Felt Green, Light Olive, Spring Green, Fern, Amber, Tan, Oak, Saddle Brown, Red Oxide, Madder Brown, Dark Chocolate, Sepia Ink, Indian Ink, Chinese Ink, Payne's Grey, and Neutral Grey.