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