How can we cleverly fit this circle into the puzzle?#puzzle#iq#iqtest

This is a classic reverse thinking topology puzzle#puzzle#iq#iqtest

Without magnets and glue, how can they be combined?#puzzle#iq#iqtest

How can you remove the ring quickly?#puzzle

How can you remove the ring quickly?

How do you solve one of the world's most difficult puzzles?

Do you know why this arrow is in the same direction?#puzzle#iq#iqtest

How can you take out the long bar trapped in the center?#puzzle#iq#iqtest

How to solve this flawless brain-teasing puzzle?#puzzle#iq#iqtest