Free Market Rules Economic Curriculum (Units 1-10)Each of our lessons are presented in a kid friendly format so that your kids will understand the basics of free markets and specific ideas that will help them understand how the world really works! Each 4 week unit centers around a specific question. Here are the topics for Units 1 10: Do you really need that? What makes something useful? Why cant you always get what you want? Can you have your cake and eat it too? Why do people do what they do? Where