Super Radiant Nano Glux Putty from Copernicus Toys "stretches like rubber, bounces like a ball, tears like paper, it can even shatter like ceramic. Use glux to work put your stress, to unlock your creative powers, to ponder this and other worlds."
Expose to light and it will glow brilliantly in three colors, green, purple, and pink.
nontoxic and safe.
