Silicone Putty Seashell Mold for Kids February 8, 2017 This is a fun and easy project to do with kids. You can simplify it by making it a simple one piece mold and/or leaving out the colorant. I find that seashells are an easy shape to mold from the silicone putty. Other small, simple shapes can work as well. Materials needed: AeroMarine Products Silicone […]