Press, Hans Jurgen <br/><br/>
Simple science experiments 
/ Hans Jurgen Press 
 - Germany  : Ravensburger  , 1967  , c1964. 
 - 205p. il. 
 - Discovery Toys .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science experiments----Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>JUV 500 PRE