The Pipe and the Pitcher

Дудочка и кувшинчик

Also known as Dudochka i kuvshinchik, Сопілочка і глечик

Girl named Zhenya goes berry picking with her family but struggles to find any berries. She meets an old forest spirit who offers her a magical pipe that reveals hidden berries in exchange for her jug. After realizing the pipe doesn't help her gather the berries, she learns the value of hard work and eventually fills her jug by picking the berries herself.