INTELLIGENT kneading Neptune color change by UV light and sun

Smart dough Neptune White putty that changes color completely within a few seconds when exposed to sunlight or other UV light. Neptune turns blue. If you charge the clay in the light, it also glows green when the light is dimmed It also has all the basic properties: •It stretches like chewing gum •She bounces like a ball •It melts like mush •It tears like paper •In a practical metal box •Color effects •Non sticky •Does not stain hands •Odorless •Does not dry out •BPA free