Brain Test Level 330 (NEW) Help me open this safe

Daze Puzzle provides a complete walkthrough for "Brain Test Level 330: Help me open this safe.".

By Emir Lajev /
Question
Help me open this safe.
Hints
Hint 1:
Tap the buttons in a certain order.
Step 1
Answer
Look at the bricks from top to down, can you see the colors? Tap the blue circle, the red square, the yellow triangle and the green multiplication sign in this order.