This series develops children's knowledge of the basic principles of design and technology. Each book introduces a particular principle and then explored how it is used in different and increasingly complex gadgets and machines. Artwork and photographs help to explain the workings of machines. New activity spread allows children to investigate the principles for themselves. Fresh new design and eye-catching fact boxes motivate young readers.

 

This book is part of a book series called What Do Simple Machines Do? .

This book is aimed at children in primary school.

This book was published 2006 by Capstone Global Library Ltd .

David and Penny Glover are experienced writers of books for children.