FIMO effect Sparkle polymer modelling clay allows you to add sparkling, special effects to your designs. Add the 'WOW' factor to your Fimo creations by mixing various colours to create a glow in the dark, lustrous, stone like texture. This Fimo Effect Sparkle colour pack contains a stunning selection of shimmering mica effect shades. Once completing your creation simply bake in a conventional oven at 110°C for 30 minutes to set the polymer clay. When the clay has hardened and cooled down, you can then paint, varnish, drill or polish your creation.