Nano GLUX Glow Set of 3 Green, Blue, and Purple Putty - 8 Grams Set of 3 Nano GLUX Glow Brilliant Green, Light Blue, and Neon Purple Pale White in Light and Vibrant Glow in the Dark Expose to the Sun or Bright Light for a Time and then it Glows for Hours! 8 Grams of Putty in Each. Stackable Containers