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Created and produced by Science-By-Mail, a non-profit program of the Museum of Science, Boston, Massachusetts.
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Simple Machines: A Sciencebymail Challenge About Simple Machines
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.
Seller rating 5 out of 5 stars
Paperback. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0787227315I3N00