The Man Who Could Fly (1968)

Original title: Человек, который умел летать

The kid by the name of Tomshik recently often dreamed that he could fly. And now his dream came true! The boy was delighted with his new abilities. But the scientific fraternity became interested in such a miracle, and it became very clear that he did not fly the way he should have. And though they did not know how to do it, they began to struggle to teach Tomshik. What will their morals and experiments lead to?