Working with Machines

Discover the world of engineering with fun, step-by-step projects.Where would we be without machines? Mechanical engineers design all sorts of complex machines to make our lives easier, but behind every ingenious invention are six simple machines that make all the others possible — levers, pulleys, wheels, planes, wedges and screws. Find out how they all work, and how engineers put them to use in extraordinary ways.Kid-Engineer is the perfect introduction to the topic for budding young engineers