These thematic pictures of अन्न are analogous to a visual dictionary. The theme "अन्न" 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 marathi language, which is not your native language.
To expand your marathi language vocabulary on the "अन्न" topic, flashcards games are the best way: