Publisher's Synopsis
A series which encourages readers to take a closer look at some of the products which they see and use every day, by making collections, observations, and trying simple activities.;A short section in each book describes how the product is made in the factory or on the farm, relating the manufacturing process to the children's own investigation. Each book uses simple language throughout and is illustrated with colour photographs.;In this book children are shown how to investigate the properties of glass and how glass objects are made in a modern factory and on a small scale.
