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Cumpara the everyday workings ivy kids de calitate.
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How does a train stay on the tracks? What\'s going on inside a pogo stick? How do cranes work? And what happens when you flush a toilet? These and many more important questions are answered in this fascinating book.
About author(s): Steve Martin is a writer, form.
from Toasters and telephones to Hovercrafts and Robots - the inner Workings of Machines big and small are brought to light using a stunning mix of cross-sections, Close-Ups and cutaways.
How does a train stay on the tracks? What\'s going on inside a pogo stick? How do cranes work? And what happens when you flush a toilet? These and many more important questions are answered in this fascinating book
Uneori, aceste descrieri pot contine inadvertente. De asemenea, imaginea este informativa si poate contine accesorii neincluse in pachetele standard.
