Gear up!
Subtitle: marvelous machine projects
By: Keith Good.
Series: Design it!
Publisher: Lerner Publications
Published: 1999
Place of publication: Minneapolis
Language: eng
Number of pages: 30
Subjects: Simple machines -- Juvenile literature.; Simple machines.
Genres: Juvenile literature.
Description: Introduces the workings of various kinds of simple machinery with moving parts, such as pulleys, levers, gears, cams, and conveyor belts and provides instructions for building these machines out of cardboard and other easily obtainable materials.
Notes: Includes index