by Baker, Wendy
[ 01. English Non Fiction ] Series: Make it Work! Published by : Scholastic Inc., (New York :) Physical details: 48 p. : col. pho. Subject(s): Machines -- | Science projects Year : 1993
Item type :
01. English Non Fiction
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Includes index
Build some machines of your own and discover what makes them work - from a popcorn dispenser and a drawing enlarger to a marble-operated clock and a real rocket!