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