Glow Worm Blue/Green Glow-In-The-Dark Powder - 6 oz. Go to amazon.com Related posts Top 17 recommendation glow worm for 2022 FeatureBlue/Green glow in the dark powderUse in casting resin, rubber, and moreLong lasting, the longest on the marketEasy to use, great for Halloween effects DescriptionGlow in the dark powders available in Green or Blue.