Explore the world of machines! Digging, ploughing, drilling, flying; big or small. Machines are used all over the world in all sorts of ways. Discover the different machines used on the farm, at the theme park, for saving lives at the hospital, and much more! Discover... - What do machines do and how do they work? - Which machines are used to build houses? - Which machines make loop-de-loops? See machines that can be...