Lacey, Jane <br/><br/>
Machines we use 
/ Jane Lacey and Sernur Isik 
 - 32 pages :  color illustrations 
 - Get into science .
<br/><br/> Includes index. 
<br/><br/>Rolling along Machines Wheels Wheels with teeth! Pulleys Levers More levers Hingers Balancing Slopes and screws Making things go 
<br/><br/><label>ISBN: </label>9781445170312 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinery--Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>500