24 rubberwood blocks in 6 shapes and with 4 different transparent coloured acrylic inserts for building, comparing, shape recognition, colour mixing and for use on a light box. These are the same size as the Mirror Block Set (73378) which form a natural extension to this set.Supports the following areas of learning:• Personal Development - sensory • Physical Development - construction • Understanding the World - observation • Understanding the World - colour • Maths - shape & spaceSpecificationSize of rectangle: 100 x 50 x 25mm. 12m+