INTELLIGENT kneading aurora color change by UV light and sun

Intelligent putty Aurora The glittering yellow changes color to a mystical blue when exposed to sunlight or other UV light. In addition, it glows a poisonous green in the dark as soon as it has been charged in the light. 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 •Non sticky •Does not stain hands •Odorless •Does not dry out •BPA free