How things are made.

By Arnold B. Ajello

Subjects: Juvenile literature, Manufacturing processes, Manufactures

Description: 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.