Bob Friedhoffer

· 29 obras en el catálogo

Obras

Scientific American, Simple Science Fair Projects, Grades 3-5

Scientific American, Winning Science Fair Projects, Grades 5-7

SScientific American Science Fair Projects 4-Volume Set (Scie

Scientific American Science Fair Projects 4-Volume Set (Scientific American Winning Science Fair Projects)

TToying Around with Science

Toying Around with Science

SSound

Sound

PPhysics Lab in a Hardware Store

Physics Lab in a Hardware Store

PPhysics Lab in the Hardware Store, Houseware Store, Home, an

Physics Lab in the Hardware Store, Houseware Store, Home, and Supermarket

MMore Magic Tricks, Science Facts

More Magic Tricks, Science Facts

LLight

Light

FForces, Motion, and Energy

Forces, Motion, and Energy

MMatter and Perception

Matter and Perception

SScientific Magic Series

Scientific Magic Series

MMolecules and Heat

Molecules and Heat

MMagic and Perception

Magic and Perception

MMatter and Energy

Matter and Energy

PPhysics Lab in Hardware Store, Housewares Store, Home and th

Physics Lab in Hardware Store, Housewares Store, Home and the Supermarket

PPhysics Lab in a Housewares Store

Physics Lab in a Housewares Store

PPhysics Lab in the Home

Physics Lab in the Home

MMagic Show

Magic Show

SScience Lab in a Supermarket

Science Lab in a Supermarket

LLulu Hurst

Lulu Hurst

PPhysics Lab in the Hardware Store, Housewares Store, Home, a

Physics Lab in the Hardware Store, Housewares Store, Home, and the Supermarket

Everything you need for Simple Science Fair Projects

Everything you need for Winning Science Fair Projects