Levers (Make it Move!)
Description
One of a series which introduces young children to wheels, pulleys, gears and levers, this book describes how levers work explaining their scientific principles and giving illustrated examples of everyday implements that employ these principles. It also gives step-by-step instructions on how to make a working model that uses the principles explained such as a dragon puppet that flies and walks by means of levers. - from Amzon
ISBN(s)
1855611716, 9781855611719
