Perdew, Laura, <br/><br/>
Crazy contraptions :  build Rube Goldberg machines that swoop, spin, stack, and swivel : with hands on engineering activities / 
Laura Perdew ; illustrated by Micah Rauch. 
 - v, 122 pages :  illustrations (chiefly color) ;  27 cm. 
 - Build it yourself Focus on science .
<br/><br/>Includes bibliographical references (page 115) and index. 
<br/><br/>Contents: Introduction : meet Rube Goldberg -- Things you should know before you get started -- Play with inclined planes -- Looking at levers -- Whoa! Wheels and axles! -- Plucky pulleys -- Wild about wedges -- Savvy about screws -- Go big! 
<br/><br/> School Library Journal, November 2019 
<br/><br/> Presents machines designed by Goldberg, which were based on complicated chain reactions and used to accomplish simple tasks. 
<br/><br/> 7.0  5-8  850L  Lexile 
<br/><br/><label>ISBN: </label>9781619308268 9781619308237 9781544438801 1619308266 1619308231 154443880X 
<br/><br/><label>Subjects--Personal Names: </label><br/>Goldberg, Rube, 1883-1970 --Juvenile literature.<br/>Goldberg, Rube, 1883-1970. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine design--Juvenile literature.<br/>Machine design.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Illustrated works.
<br/><br/><label>Dewey Class. No.: </label>621.8 PER