num_pages: 103
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.
language: English
title: How Things Are Made
titlecomplete: How Things Are Made (Books for World Explorers)
ratings_count: 5
publisher: Natl Geographic Soc Childrens books