There are a few glow in the dark clays on the market.
It glows after you bake it! Create something, bake it, then expose it to the light and it glows.

Or, how about making your own?  Mix our powders with translucent polymer clay for a great effect.  Take a look at the article and instructions offered by Ginger at The Blue Bottle Tree.

 

Glow in the Dark

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  • Sea Plant created by Ginger of The Blue Bottle Tree

    Glow in the Dark Powders

    Glow Powders - Perfect for making your own Glow-in-the-Dark polymer clay!! Ginger recommends 1/2 gram mixed with 1/8 block of clay.  That means one vial will make 2 ounces of clay glow nicely. You will receive one 4g jar of Glow Powder. ...

    $1.95 - $3.40
  • Sea Plant created by Ginger of The Blue Bottle Tree

    Glow in the Dark Powders

    Glow Powders - Perfect for making your own Glow-in-the-Dark polymer clay!! Ginger recommends 1/2 gram mixed with 1/8 block of clay.  That means one vial will make 2 ounces of clay glow nicely. You will receive one 4g jar of Glow Powder. ...

    $1.95 - $3.40
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