Sparkling colour glitter shapes in 7 colours. Each colour includes 3 versions of a polygon: irregular and regular, ideal for understanding simple geometry principles. The shapes are made from 3mm acrylic and can be used on a light panel and each one comes with a 2.5mm hole at the top balance point so they can be strung up against a window or outdoors to create fascinating colour shape shadows. Size of circle: 100mm dia. Pk21. Age Suitability: 3 years+. Supports the following areas of learning: Understanding the World - colour. Maths - shape & space. Understanding the World - observation. Physical Development - motor skills. Personal Development - sensory.