Thermocolor Ooze Tube

Make your own color-changing slime that changes from green to blue depending on the temperature. Ooze Labs are fun and simple science experiments in big chunky plastic test tubes! Each Ooze Lab tube contains a simple science experiment to create a safe material that is both fun to play with and chemically interesting. Ooze Labs are fun and simple science experiments in big chunky plastic test tubes! Each Ooze Lab tube contains a simple science experiment to create a safe material that is both fun to play with and chemically interesting. Contains: 5 pieces to create the experiment and full-color, step-by-step manual. Ages: 6+.