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