BALLARD, Carol   <br/><br/>
Magnets and springs  

 - London  Wayland   2006   
 - 32 pages  colour illustrations  28 cm 
<br/><br/> Juvenile 
<br/><br/><label>ISBN: </label>9780750248037 
<br/><br/><label>Dewey Class. No.: </label>J 538.4 BALL