Good, Keith.

Gear up! : marvelous machine projects / by Keith Good. - Minneapolis, Minn. : Lerner Publications, 1999. - p. cm. - Design it! .

Includes index

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.

ISBN: 0822535661 (lib. bdg. : alk. paper)

LCCN: 99036678

Subjects--Topical Terms:
Simple machines--Juvenile literature.
Simple machines.

LC Class. No.: TJ147 / .G66 1999

Dewey Class. No.: 621.8/11