Copper, Christopher,  <br/><br/>
Jirim 

 - 64 pages :   colour illustrations ;   29 cm 
 - Saksi mata sains .
 - Saksi mata sains .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science experiment
<br/><br/><label>Dewey Class. No.: </label>507.8