Sleuth. Find the similarity descripción

It is an educational and exciting game for all ages. It will help you to develop the ability to remember, and improve your attentiveness and intelligence.
It consists of two parts:
1. In each of the tasks you should find only 2 identical pictures among all the images, and the others are a bit different from them.
2. The tasks consist of flipped cards, hiding pairs of cards. - You neet to find out all the similar pictures.