Mold and tutorial for making Sea Urchins...small ones. Second photo shows comparison between the larger mold I have for sale and this small one.The finished urchin will measure a scant 1" instead of the slightly larger molds that will make urchins between 1 1/4" - 1 3/8".Although I use these molds with no release agent (I use Premo clay with the molds), you may wish to use a light coating of corn starch to the inside of the mold. A drop of water will also work for Premo (dont use water with Fimo). Any excess corn starch can be brushed away with a soft bristle brush.I test the molds before sending to you, to ensure quality. Because I hand make each mold, there may be slight imperfections. My molds are done in limited runs as sea urchins tend to loose their raised dots when molded over and over. Please be aware that the one you will receive may differ slightly from the one shown, but will still produce beautiful urchins.The pieces pictured are used for reference only and are not included in the sale. You get the mold and a 6 page tutorial is included and sent via email in pdf. file extension.These molds can be used with all brands of polymer clay, but softer clays like Premo or Studio Clay are recommendedMake pendants, beads, use as cabochons for bead embroidery...let your imagination guide youResults may vary and no warranty or guarantee is given.