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Books by Bob Friedhoffer

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7 books found
Physics Lab in a Hardware Store
Physics Lab in a Hardware Store
By: Bob Friedhoffer
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Science Lab in a Supermarket
Science Lab in a Supermarket
By: Bob Friedhoffer
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Physics Lab in a Hardware Store
Physics Lab in a Hardware Store
By: Bob Friedhoffer
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Everything you need for Simple Science Fair Projects: Grades 3-5 (Scientific American Winning Science Fair Projects)
Everything you need for Simple Science Fair Projects: Grade…
By: Bob Friedhoffer
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Physics Lab in a Housewares Store
Physics Lab in a Housewares Store
By: Bob Friedhoffer
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Magic and Perception: The Art and Science of Fooling the Senses
Magic and Perception: The Art and Science of Fooling the Se…
By: Bob Friedhoffer
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Everything you need for Winning Science Fair Projects: Grades 5-7 (Scientific American Winning Science Fair Projects)
Everything you need for Winning Science Fair Projects: Grad…
By: Bob Friedhoffer
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