Glow in the Dark Crayons (Set of 6 Colors). Our glow in the dark crayon will change the way you use crayons! Draw a picture and color it in with our glow in the dark crayons; the picture will look great in the light and glow bright at night! Use the six vibrant neon colors add life to dull pictures, turn off the lights and watch your art glow! Draw on paper, canvas walls and more! Where ever you draw it, it will glow! Each crayon is over sized, pre-sharpened and will provide kids and adults with hours of glow in the dark fun! These crayons are 100% non-toxic, kid friendly, easy to use and only need minutes of bright light exposure to glow for hours!