Richards,Roy,  <br/><br/>
101 science tricks on paper 

 - 32 pages :   illustrations ;   28 cm 
<br/><br/><label>ISBN: </label>0750002840 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science projects
<br/><br/><label>Dewey Class. No.: </label>372.35