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
"synopsis" may belong to another edition of this title.
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: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.
Unknown. Condition: Very Good. No Jacket. Former library book; May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0822535661I4N10
Seller: mountain, GEORGETOWN, CO, U.S.A.
library. Condition: Good. exlibrary hardcover no dust jacket. usual library markings, has some light wear throughout. Seller Inventory # mon0000008364
Seller: Goodwill of Silicon Valley, SAN JOSE, CA, U.S.A.
Condition: very_good. Supports Goodwill of Silicon Valley job training programs. The cover and pages are in very good condition! The cover and any other included accessories are also in very good condition showing some minor use. The spine is straight, there are no rips tears or creases on the cover or the pages. Seller Inventory # GWSVV.0822535661.VG