I'm posting this here since it's the only way I can seem to pin it! Soap play dough Recipe
Unwrap a bar of Ivory soap and place it on a paper plate. Place in the microwave. Heat on high for about 60 seconds, until the bar is covered with foam, or the foam looks like it will overflow the plate.
Peel the foamy parts off the bar and set aside. Return the rest of the bar to the microwave and heat, 30 seconds at a time. Keep peeling the foamy parts off add them to the bowl until the entire bar of soap has become foam. Once the foam has cooled, break up the chunks with a fork or your fingers.
For a soap play dough that can be stored in a closed container for two weeks, add 1 drop food coloring, 2 tsp water and 2 tsp vegetable oil to a cop of soap flakes (made above). Mix together with a fork and then with your fingers. This dough will be extremely soft and sticky. After a day or two in storage with will become a nice dough. Store in a plastic lidded container.