This material serves as a comprehensive guide for teachers on introducing robotics to students aged 10-14. A key feature of this course is its focus on utilizing the Open Roberta Lab, an online simulation tool, which allows for teaching robotics without the need for physical robot hardware. This makes the course highly accessible and easy to adopt. The content is designed to ensure that no prior knowledge of robotics is required for teachers, making it beginner-friendly. All resources and materials provided were developed by participants of the summer school.