Plastic molds used for resin -- explained!
How to make a Spray Rubber plastic mold of any object - Video Tutorial
Cement Concrete Molds | Plaque Stepping Stone Plastic Mold Concrete Mold Cement Plaster
Casting resin in non traditional plastic molds
Polytek Polyurethane & silicone mold materials and casting plastics - great source for supplies & Video Tutorials
How to Make Crayons in a Hard Plastic Mold http://blog.innerchildcrochet.com/2013/01/how-to-make-crayons-in-a-hard-plastic-mold/
Bulk Apothecary carries a complete line of Bath Bomb tools and ingredients!
"Zoe". The plastic mold for this cutie is available for $25. Patricia Rose Studios
Reusable 22 cavity plastic mold for resin jewelry making -- great for metal clay too - 403
Skull plastic mold skull mold skeleton mold halloween by Moldsold