Works both for home study or for a classroom. 15 min self-study activity, which can be followed up by an engaging discussion. The concepts are introduced with 2 educational videos explainaing the concepts of goods, services, producers and consumers. After watching the videos the students are requested to fill in a quiz. They see the points and correct answers once the quiz was submitted. 10 multiple choice questions to practice goods and services. Additional concepts to practice: manufactured