Name of the Practice: Summer Stem Activity "Labels: Stem - Stiffness - Strength - Durability Explanation about Good Practice: I do not write a paragraph explanation about the application. There are leftover materials such as milk box, cardboard, cigarette, the students are required to make a ship with these materials. The students are warned that the ship should not be drowned and put something on it, but it is required to be completely productive. Objective: What is the aim of the activity? One or a few of the following can be selected. Adoption of collective adaptation. The general feeling of well-being in the general sense. Increasing the level of the individual. Independent living skills. Academic skills. Social communication Age group of children: age group of children (eg 10-14) At the end of the year and at any stage during the course of the preparatory phase At the end of the course, the preparations to be carried out and the step-by-step instructions for the implementation of the exercises Milking boxes for students' tables , cardboard, cigarettes, rulers-pipets, etc. The students are required to make a ship with these materials.