How toys work pack a of 4
Auteur :
Smith, Sian
Éditeur :
Capstone Global Library Ltd
ISBN :
9781406238044
Date de publication :
6 juil. 2012
Langue :
Anglais
Pays d'origine :
Grande Bretagne
Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. The books use simple language and labelled photographs to explain the scientific principles behind each mechanism. Titles in the series include: Levers; Pulleys; Ramps and Wedges; Screws, Nuts, and Bolts; and Wheels and Axles.