Whale Casting Diy Casting Diy Epoxy Resin Craft Molds Silicone Mousse. | Jewellery & Watches |. It allow you DIY different handicrafts and jewelry, such as key chains, earrings, necklaces, pendants, bracelets, so that you can make special gifts for friends or family to show your love.The mold is made with high-grade silicone materials, and designed wonderfully with the special shape.