From dried out marker to fresh new watercolor paint! Soak old markers in a cup of water overnight. The longer they sit the better. Then, presto: vibrant water color paint! You can experiment mixing various colors of markers.
play dough recipe- we use a bit of baby oil in it as well to add a really smooth and soft texture. The recipe: 4 cups water, 4 cups flour, 1 cup salt, 2 tablespoons cooking oil, 4 teaspoons cream of tartar