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 ramps and wedges, and uses simple language and labelled photographs to explain the scientific principles behind their use.
Lingua Inglese ● Formato PDF ● ISBN 9781406249385 ● Casa editrice Raintree UK ● Pubblicato 2012 ● Scaricabile 6 volte ● Moneta EUR ● ID 5693946 ● Protezione dalla copia Adobe DRM
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