These thematic pictures of тээвэр are analogous to a visual dictionary. The theme "тээвэр" is split 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 that the information is absorbed better. This is especially true if you are using flashcards to learn mongolian language that is not your native language.
To expand your mongolian language vocabulary on the "тээвэр" topic, flashcards games are the best way: