Title: Physics Lab in the Home, Author: Bob Friedhoffer
Title: Scientific American, Winning Science Fair Projects, Grades 5-7, Author: Bob Friedhoffer
Title: Science Lab in a Supermarket, Author: Bob Friedhoffer
Title: Physics Lab in a Hardware Store, Author: Bob Friedhoffer
Title: Sound, Author: Bob Friedhoffer
Title: MAGIC AND PERCEPTION - THE ART AND SCIENCE OF FOOLING THE SENSES, Author: Bob Friedhoffer
Black Friday!
The Next Chapter: Prepare Your Shelf
SHOP ALL DEALS
Title: Physics Lab in a Houseware Store, Author: Bob Friedhoffer
Title: Scientific American, Simple Science Fair Projects, Grades 3-5, Author: Bob Friedhoffer
Title: Forces, Motion, and Energy, Author: Bob Friedhoffer
Title: Light, Author: Bob Friedhoffer
Title: Magnetism and Electricity, Author: Bob Friedhoffer
Title: Molecules and Heat, Author: Bob Friedhoffer
Title: TOYING AROUND WITH SCIENCE - The Physics Behind Toys and Gags, Author: Bob Friedhoffer