Chugga-chugga-choo-choo! Industria is watching a magnificent steam train puffing out big clouds of smoke. It’s a brand new invention in a time of big changes and clever ideas! A) The Tale of the First Factory and the Puffy Steam Engines. B) You have a brilliant idea for a new machine! Will it be one that sews clothes quickly or one that bakes cakes automatically? C) Let's make the sound of a big, chugging steam engine!