Classic Octons in the original translucent colours combined with 4 Octangle shapes. There are more design opportunities with the four connecting pieces as children develop their creative skills and build more adcanced models. Follow the illustrated models in the guide or design your own with this versatile and creative construction toy. Contents: 168 assorted pieces in 6 translucent colours, including 48 octons, 120 Octangles in 4 different shapes and step by step guide. 4 years and onwards