Brain Test Level 77 How many balls are there

Daze Puzzle provides a complete walkthrough for "Brain Test Level 77: How many balls are there?".

By Daze Puzzle /
Question
How many balls are there?
Hints
Hint 1:
You can't see inside the baskets.
Step 1
Step 2
Answer
You should rotate your phone upside down, there are 7 hidden balls in the baskets that will come out, then you will see 10 balls.