The Universe In A Jar! Materials Needed: water, glow in the dark paint(Martha Stewart), colors; yellow, green, and blue, mason jars, and paintbrush... Instructions: Wash the jars. Then with the paintbrush and glow paint, make tiny to medium dots to make stars look closer and farther then others.(with different colors). Then close jar to dry the paint. Once dry and ready to glow, open jar to charge glow paint under lamp light bulb . Then go into a dark area. Now the universe is in your room!