Image de couverture de Ruby Goldberg's bright idea.
Titre:
Ruby Goldberg's bright idea.
Par:
Humphrey, Anna.
Date de publication:
2014
Terme de vedette-matière:
Science projects -- Juvenile fiction.

Inventions -- Juvenile fiction.

Interpersonal relations -- Juvenile fiction.

Grandfathers -- Juvenile fiction.

Science fair -- Juvenile fiction.

Canadian fiction -- Juvenile fiction.
Auteur ajouté:
Brantley-Newton, Vanessa,
Sommaire:
Ruby is determined to win the gold with her fifth-grade science fair project, a Rube Goldberg machine to help her grandfather, but the real prize turns out to be something completely unexpected.
Langue:
Anglais
Numéro international normalisé des livres (ISBN):
9781442480292