Which key unlocks the lock?

It may not be easy to find out. Look closely at the picture. Every detail is important. It may take a while to find it. Can you do it?

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spiral bird Angel

If you do not know the correct answer, look at the result. Take your time and then select the answer below the picture.

Your friends are just watching

Yes or no?

Who is behind the glass?

Are the two horizontal lines the same length?

Which bottle fills up first?

Which key unlocks the lock?

How many blocks are in the tower?

What number is under the car?

What numbers do you see?

What number is it?

Which number is the result?

In what order will the cars pass through the intersection and why?

Which triangle is the lightest?