Derwent Inktense Block – Iris Blue (0900) | Water-Soluble Art Block

You've been hunting for a block that actually delivers vibrant colour without the fuss. Derwent's Inktense Block in Iris Blue does exactly that. Rub it across paper for bold, free marks. Add water and watch it bloom into translucent, ink-like washes. No drying time anxiety, no muddy edges. Just clean, intense blue that covers large areas fast — whether you're prepping a classroom set or finishing a personal piece. 42 on the shelf right now. Add to cart and it's heading your way

• Water-soluble block for large-area coverage and free, expressive marks
• Add water for translucent, ink-like effects with no drying wait
• Combines Inktense pencil versatility with the speed of a block
• Iris Blue (0900) delivers vibrant, intense colour on paper
• Great fit for classroom art sessions or personal illustration work