A pinner says: Soap Mud! Soap mud is a soft, foamy, glorious goop, which is wonderful for squeezing and squishing with hands and feet! It is often referred to as "clean mud" as it really does have the feeling of warm, wet mud.
"Gak" recipe that doesn't use Borax. I used to have this recipe, glad to find it again! 1 cup Elmer's glue food coloring 1 cup liquid starch -add starch a little at a time, stirring with a spoon or kneeding with fingers as it thickens