Introduces the workings of various kinds of simple machinery with moving parts, such as pulleys, levers, gears, cams, and conveyor belts and provides instructions for building these machines out of cardboard and other easily obtainable materials
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Seller: Better World Books, Mishawaka, IN, U.S.A.
Condition: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 3544203-6
Seller: Hawking Books, Edgewood, TX, U.S.A.
Condition: Good. Ex-library book with usual markings. Meets or exceeds the good condition guidelines. Nice copy. Five star seller - Buy with confidence! Seller Inventory # X0822535661X3
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Unknown. Condition: Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0822535661I3N10