Picture Dictionary is the best app for you that describe about fruit, vegetable, group animal and etc.
And especially for your kids to understand each words easily with picture and talking function.
How many vocabulary do you know when you see these pictures?
If you don't know let download and learn together.

Features:

✔ Best ways to learn new word
✔ Arranged in many categories
✔ Talking function on any words
✔ Practice your pronunciation
✔ Auto talking function, easy to learn one by one word
✔ Nice looking picture and UI, easy to remember
✔ Easy to search all words or search by categories
✔ Can be used offline