5021107
9781403485939
Out of Stock
The item you're looking for is currently unavailable.
How can pulling down make something go up? How do carnival rides work? What makes the hands on a watch go around? How does pedaling a bicycle make it move? This title shows you how different kinds of these two simple machines are all around you to make your work and play easier.Glover, David is the author of 'Pulleys and Gears' with ISBN 9781403485939 and ISBN 1403485933.
[read more]