Marbles, roller skates, doorknobs
Subtitle: simple machines that are really wheels
By: by Christopher Lampton ; pictures by Carol Nicklaus.
Contributors: Nicklaus, Carol, ill.
Publisher: Millbrook Press
Published: 1991
Place of publication: Brookfield, CT
Language: eng
Number of pages: 31
Subjects: Simple machines -- Juvenile literature.; Wheels -- Juvenile literature.; Simple machines.; Wheels.
Description: Explains how simple machines that are actually wheels work, including the pizza cutter, bicycle, and water faucet.
Notes: "A Gateway book."
Includes index.