First ever glow in the dark crayon (phosphorescence)

Taking advantage of the latest coloured glow in the dark pigments. It is possible to have glow in the dark crayons of different colours not only the traditional green and blue but also yellow, orange, red and purple! Glowing after the removal of ligh source. Enjoy the first ever real glow in the dark crayons of different colours! Available at Donna Polymer.

Art work example: Glow in the dark crayon Valentino's heart

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