Explain in an accessible form, what is good and what is bad, how you can do, and how you cannot, parents always cannot explain. Children usually do not want to listen to adults. Another thing is when the child decides the tasks and comes to any conclusions. This student can do in the international Olympiad safety basics for grade 4. Participants are given a choice to pass the Olympiad remotely on a tablet or in the traditional way on the answer form. Participants, winners and prize-winners of the Olympiad receive diplomas.