DIY Glow Rain Cloud in a Jar Magical Glow-in-the-Dark Rain Cloud Science Jar for Kids Ingredients (Materials Needed): 1 large clear glass jar or vase Warm water (to fill ¾ of the jar) Shaving cream (white foam type) Neon or glow food coloring (blue, green, purple) Pipettes or droppers Tonic water (contains quinine — glows under blacklight) Small cup for mixing Optional: blacklight or UV flashlight for glowing effect Directions: Fill your clear jar about three-quarters full with warm water. This