Komplet LED optičkih vlakana i kocke - iRiS LED Fibre Optic & Qube BundleKomplet LED optičkih vlakana i kocke - iRiS LED Fibre Optic & Qube BundleThe iRiS LED Fibre Optic and Qube Bundle is an interactive aid for developing Cause and Effect, Gross Motor and Colour Recognition skills. Roll the Qube and the colour that is on the uppermost side of the Qube when it stops will determine the colour of the Fibre Optics. The user can develop skills whilst creating stunning visual effects with the iRiS LED Fibre Optic and Qube Bundle.