It’s kid-built with some guidance in a couple hours and the envy of friends—the ancient Roman polyspastos crane with treadwheel.
Do you have a young engineer who needs an independent study project, a talented builder in home school, or need an engaging summer project for your nonverbally gifted child? If you have an engineering classroom and understand the value of hands-on exploration, the Roman Polyspastos Crane project is right for you. While building with kits or Legos or K’Nex is good, n