How things are made.

Explains how a variety of products--such as kaleidoscopes, baseballs, marbles, matches, toothpaste, light bulbs, and bridges--are made, highlighting the ways in which manufacturing techniques have changed over the years. A wall poster and a 24-page booklet of games and puzzles are included.

Bibliographic Details

Corporate Author:	National Geographic Society (U.S.). Special Publications Division
Other Authors:	Ajello, Arnold B., Gibson, Barbara
Format:	Book
Language:	English
Published:	[Washington, D.C.] : National Geographic Society, [1981]
Series:	Books for world explorers.
Subjects:	Manufacturing processes > Juvenile literature. Manufactures.