ButterStix® Aquarelle Wet & DryFrom our best selling dust free ButterStix comes the ButterStix Aquarelle Wet & Dry! A hexagon shaped art tool that work and feel like a pastel. It glide smoothly onto most non porous surfaces. When used on paper, water can be added to turn any doodles or drawings into watercolor art by using the included Aqua Brush Pen. Do dust. No smears. No mess. ButterStix are non toxic, safe for kids. When used dry, simply wipe clean with a damp cloth to erase.