Our project focuses on to primary school students and we tested their interest in robots. We investigated prone of students for verbal or analytical abilities. We arranged the groups to consist every ability worth. Hence every group would have fair chance on their project. The curious and willing students are concentrated on the project but the others were satisfied to watch curious ones. As an example, in one of the groups (each group consist of four students) only one student is enthusiastic and interested but the others are just want to what will happen. The curious one was doing most of the work instead of his teammates. This situation has manifested itself in exam which we gave to see the status of the work. This group did not have many ideas because they did not do group work and they are the last one in the competition which have done after the robots completed. The other group which consist enthusiastic students had different ideas so they did the best with any situation. They were the winner of the competition. As a result group work has emerged as a very important in a project-based education. This course is provided as lab session for primary school students to contribute the group work and project-based learning. Before this project robot as a toy for students but at the end of project they understood that robots are very complicated machines. In this way students’ technological point of view about materials which we used to make robot has changed. Perhaps these materials will be useful for other activities in their education life. In our opinion, robots which are a part of developing technology may have great importance in the development of students. Robot making works increased students’ capabilities and self-confidence and also was helped them to learn scientific issues by experiences.