Invisible Hat (1973)

Summer. Pioneer camp "Birches". Children are engaged in activities: young naturalists, choral, different sports. And a boy Tim is lazy and does not want to do anything. The guys are laughing at him: Timka-sluggard. Tim goes to the forest and finds a newspaper cocked hat on the bush of a raspberry with the inscription: An invisible cap. Putting it on his head, Timka becomes invisible and begins to frighten everyone in a row and to ominously laugh.