Cover of Ruby Goldberg's bright idea

Book 2014

Ruby Goldberg's bright idea

4.01 4 readers shelved it

Language
English
Published
2014
  • Exhibitions
  • Science
  • Science fairs
  • Interpersonal relations
  • Fiction
  • Grandfathers
  • Inventions
  • Science projects

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.