The New School Adventures of Tail, or The Challenge of the Magnificent Seven

Sonya Grushina, nicknamed Tail, is friends with the most wonderful kids in the world, Grisha and Zhenya. They always help and support each other, and Tail always gets them into fun adventures. Now the three of them have to go through seven exciting challenges devised by their classmate Rita. Will they manage to complete all the tasks? Armed with advice from Grandpa and their own cleverness, the friends take on this difficult task.