Description
Introduces the principle of interlocking gears, as found in many toys, shows the many ways that it is used in everyday life, and provides instructions for simple projects
Détails du livre
Format
Broché
Pages
32 pages
Langue
Anglais
Publié
Jul 1, 1994
Éditeur
Gareth Stevens Pub
ISBN-10
0836811208
ISBN-13
9780836811209