Robotics class in summer in the open air. The teacher explains the lesson to the girl and boy. Lego robot, Mindstorms, EV 3, tubes, microscope. Stem education. Minsk, Belarus - August, 2017. Shutterstock Image - Robotics class in summer in the open air. The teacher explains the lesson to the girl and boy. Lego robot, Mindstorms, EV 3, tubes, microscope. Stem education. Minsk, Belarus - August, 2017. - ID: 766707217