Rube Goldberg’s Simple Normal Humdrum School Day

By: Jennifer George, 

Age: 4+  | Published by: Ed Steckley

ISBN: 9781419725586

Keywords: 
axel,  build,  contraptions,  creativity,  engineering,  inclined plane,  invent,  inventions,  lever,  pendulum,  physics,  pulley,  science,  spring,  STEM,  technology,  tinker,  wedge,  wheel,