Learn about the different materials that are found in the world, from materials in the ground, to plant materials, to man-made materials. Find out how we use materials on a daily basis. The topic of materials is approached in a simple and clear way. The concepts are complemented by new artwork and specially-commissioned photography featuring children. Each step-by-step experiment has been tried in the classroom and is illustrated with photography which encourages children's understanding. Each book is bright, colourful and simple in its design.