Simple Machine Projects: Making Machines With Springs
Author(s): Chris Oxlade Pub: Raintree Pack Qty: 30 (Hardback) ISBN: 9781406289305 - New
203mm x 271mm x 8mm
Publication:
2015
Pages: 32
Springs store the energy that powers machines such as the Romans' giant war catapults. The projects in this book show how stretching, squashing and bending springs reveal their key properties, and how rubber bands can be used to make moving toys. Age 7-9
