These thematic pictures of календарь are analogous to a visual dictionary. The theme "календарь" splits into several parts. For children, especially toddlers from 1 to 5 years old, it is better to divide the sets of cards over several days, or even weeks, so the information is absorbed better. Especially it is true if you are using flashcards to learn the tatar language, which is not your native language.
To expand your tatar language vocabulary on the "календарь" topic, flashcards games are the best way: