Tag Archive: colour Rainbow Highlighters Tea Pink coral Stripy sand Crazy Clematis Smart film crystals Giraffe Spotted Leaf Leaf Leaf Copper Sulfate Crystals Neon Glow BLOOD! (For science) The Longest Lime A slice of plant Pencil shapenings in a sea of ink Colour mixing LEDs Colour mixing LEDs – double slit Diffraction rainbow iPhone Pizza Emoji Autumn Leaf