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