Everything you need for Simple Science Fair Projectsde Bob FriedhofferMateriasScience projectsScience, experiments, juvenile literatureEdiciones (1)Everything you need for Simple Science Fair Projects (2006)Chelsea House Publications · inglés · ISBN 9780791090541Más obras de Bob FriedhofferScientific American, Simple Science Fair Projects, Grades 3-5
SScientific American Science Fair Projects 4-Volume Set (ScieScientific American Science Fair Projects 4-Volume Set (Scientific American Winning Science Fair Projects)
