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 & space SpecificationSize of rectangle: 100 x 50 x 25mm.Age: Suitable from 12 months.