paint your nails with a base color and let them dry completely. Then come back and paint a layer of another color on top, and before it dries, you dab pieces of wadded up saran wrap on top lightly, then top coat
Break a glow stick & put in clear nail polish!? I researched it; looks like glow stick fluid is only toxic if ingested in large quantities - dont eat it, don't get it in your eyes, and wash it off your skin to prevent irritation/unwanted glowing. ONE DIRECTION CONCERT!!