This entry has been combined with Robert Friedhoffer.

Bob Friedhoffer

Author of Physics Lab in a Hardware Store

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Works by Bob Friedhoffer

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Physics Lab in a Hardware Store 23 copies
Physics Lab in the Home 23 copies
Everything you need for Simple Science Fair Projects: Grades 3-5 3 copies
Everything you need for Winning Science Fair Projects: Grades 5-7… 2 copies
Magic Show 1 copy

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This entry has been combined with Robert Friedhoffer.

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