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