by SIAN SMITH
Part of the Acorn: How Toys Work series
Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work.
This book examines pulleys and uses simple language and labeled photographs to explain the scientific principles behind their use.
- Format: Paperback
- Pages: 24 pages, col. Illustrations
- Publisher: Capstone Global Library Ltd
- Publication Date: 11/04/2013
- Category: Technology
- ISBN: 9781406238068