This document outlines a CLIL demonstration lesson on niche marketing for an elementary level class. It begins with an introduction to the teacher's elementary course, focusing on creating a safe learning environment and incorporating higher-order thinking skills. The main part of the lesson demonstrates a unit on niche marketing from the textbook. Students participate in activities to define key concepts, analyze example websites, and discuss a reading. They also engage in a role-play activity where they pitch business ideas to potential investors. In conclusion, the teacher reflects on the lesson and student participation.