Book Specs
Binding
Trade Paper
Publisher
HEINEMANN LIBRARY (P
Published on
Sep 30, 2004
Edition
st Edition
Dimensions
-x-x- Inches
Weight
- Pounds
About the Book
Many simple machines are taken for granted. How would we manage without wheels, pulleys, ramps, wedges or screws? These are all types of machine. They make it easier to do something. This series explores a range of similar devices at a level suitable for children working at Key Stage One.