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