Color: color-shifting tones of metallic yellow/green/black/brown/gold | texture: soft. Everyone knows that oil and water do not mix. Yet when they do, what is known as an oil slick appears. This layer is highly reflective due to the light wave interference between oil, air, and water. For ages 3+. 3.2oz of genuine crazy Aaron's thinking putty. Manufactured with the help of exceptional individuals challenged with disabilities.