This material is intended for teachers designing their Circular economy business courses. The material consists of two parts: Presentation of 5 circular business models and Transformation from linear to circular business models. Both parts include links to supplementary materials and assignments. This material is a part of Finnish Ministry of Education and Culture funded project Circular Economy knowledge for Universities of Applied Sciences. 19 Finnish Universities of Applied Sciences participated to the project. Project partners, funding organisation or material producer bear no responsibility of the use of materials published in the AOE-portal. The material will not be updated.