SECONDS: Plato's CubesSECONDS: Platos Cubes bring all the colourful excitement of our original set, featuring 7 vibrant colours that represent the visible spectrum. Each colour includes 5 cubes, perfect for hands on science experiments exploring colour theory and light. These seconds offer the same high quality cubes in packaging that may be imperfect or come in a different style, so you can enjoy them at a great value.