This Infinity puzzle by Hanayama is a 3 piece, figure-8-shaped, chrome, brain-teaser.

The object of the puzzle is to remove the two inner metal circular pieces from the frame through a series of clever movements.

This is rated as a level 6 difficulty, (on a scale of 1 to 6 where 1 is easier and 6 most difficult).

Measures approximately 4 x 3 inches.