This document provides an overview of Module 5 of a training package on testing and prototyping NGO ideas. The module aims to teach learners how to test and prototype their NGO idea through understanding business models and using a Business Model Canvas. It discusses what business models are, introduces the Business Model Canvas template, and explains how this template can also be applied to NGOs with a focus on social and environmental issues rather than solely profit. The document provides examples of filling out the Business Model Canvas and concludes with a thank you.