In your kitchen or bedroom, beneath city streets or far up in space, machines are at work day and night making, moving, building and even thinking for us. In this eye-catching book, you can explore the hidden inner workings of machines and inventions: from everyday objects like toasters and bicycles, to cutting-edge technologies such as pill-sized medical robots and super-fast maglev trains. The see-through magic lens will reveal how all these machines work, showing all the elements hidden within them from wires and pipes, to magnetic and gravitational forces.