This booklet produced by the State of Indiana introduces elementary teachers to economic concepts appropriate to the elementary curriculum and explains how to use mini-economy activities to teach these concepts. Chapter 1 describes how the mini-economy works, while chapter 2 introduces basic economic vocabulary and discusses market economy. Ideas for mini-economy activities are provided in chapter 3. These activities include student-operated stores, auctions, businesses, and banks. Other suggestions for the mini-economy include providing for investments in real estate, stocks, and commodities. Chapter 3 also includes examples of how to use these economic concepts across the curriculum. The appendices contain: (1) student worksheets and answers; (2) economic education curriculum materials for teaching specific concepts; (3) suggestions for dealing with potential problems to make the mini-economy more effective; and (4) Indiana proficiency guidelines in economics. Photographs and a 26-item annotated bibliography of printed and audiovisual curriculum materials are included. (DJC)