Materials from nature. 

 - 1st ed. 
 - Woodbridge, CT :  Blackbirch Press,  2000. 
<br/><br/> Originally published as: Juega con la naturaleza / by Victòria Seix. 
<br/><br/><label>ISBN: </label>1567114334 
<br/><br/><label>LCCN: </label>99038940  
<br/><br/><label>LC Class. No.: </label>TT160  / .S36713 2000 
<br/><br/><label>Dewey Class. No.: </label>745.5