What is common 1.6

Look at the pictures and think about what unites them.
The correct answer can be a noun, an adjective, and other parts of speech!
Click on the letters to collect the correct answer.

Feature of game:
-100 bright and colorful levels with different difficulty;
-An elaborate system of prompts and rewards;
- You can skip a level and pass it later.
- Support of Russian and English language
-You can play with the whole family at home or on the way to work or school or university.

To use the hint, you have to open all the pictures on the level.