How do submarines stay underwater?
What do mountains have to do with forks and spoons?
And why do meteorologists need butterfly nets? A little girl Katya and her friend Creature EF travel through the magical Anywhere-Door to bakeries, factories, trains, and steamboats to look inside and learn how they work.
Active and curious. Likes to talk a lot and to know everything. She wants to share her new discoveries and always takes her friend Ef with her to anywhere.
He is a little bit afraid of adventures but she adores her friend Katya and always travels with her. The only word he says is: “Round!” He collects round things. Ef is a kind soul.
Wooden and slightly unusual door in the house of Ef. Friends use it to travel to anywhere. Also the door can save them taking back from dangerous situations.