Author(s): Si\u00e2n Smith Pub: Raintree Pack Qty: 0 (Hardback) ISBN: 9781406237986 Subjects: Levers, Juvenile literature
0mm x 0mm x 0mm
Publication:
2013
Pages: 24
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 levers and uses simple language and labelled photographs to explain the scientific principles behind their use.
