Build fascinating rainbow effects with the Kinetic Sand Rainbow Mix Set! This set includes six different tools and three primary colours (4.5oz each of red, yellow and blue) - everything you need to mix and create the colours of the rainbow! Kinetic Sand is the original mesmerizing sand that flows through your hands and never dries out, so you can play again and again. Its unique formula makes it stick together so it easily shapes and moulds. Spin Master Kinetic Sand Rainbow Mix Set