Crazy Contraptions - Build Machines That Swoop, Spin, Stack, and Swivel - With Engineering Activities for Kids

Laura Perdew; Micah Rauch (Illustrator)

An exciting book about the chain reaction world of Rube Goldberg for middle schoolers, including 25 engineering design projects that get middle schoolers applying the laws of physics to their own inventions as they learn the scientific principles behind the actions and reactions they create. Why use a ...