The Cosmic Shimmer waterbrush is ideal for those who want to create watercolour effects on their projects. Great for use with watercolour pens, pencils, paints, inks and more, the waterbrush can be filled with water and used to blend, mix and move the colours around your surface to create stunning designs.Simply unscrew the barrel and fill with water, squeeze until the brush fills with water and then get creating. Simply wash out the brush after each use. It\'s also perfect for creating glitzy designs using Cosmic Shimmer and other iridescent powders.